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51  <h1>Source code for sas.perspectives.calculator.density_panel</h1><div class="highlight"><pre>
52<span class="sd">&quot;&quot;&quot;</span>
53<span class="sd">This module provide GUI for the mass density calculator</span>
54
55<span class="sd">&quot;&quot;&quot;</span>
56<span class="kn">import</span> <span class="nn">wx</span>
57<span class="kn">import</span> <span class="nn">sys</span>
58<span class="kn">from</span> <span class="nn">sas.guiframe.panel_base</span> <span class="kn">import</span> <span class="n">PanelBase</span>
59<span class="kn">from</span> <span class="nn">wx.lib.scrolledpanel</span> <span class="kn">import</span> <span class="n">ScrolledPanel</span>
60<span class="kn">from</span> <span class="nn">sas.guiframe.utils</span> <span class="kn">import</span> <span class="n">check_float</span>
61<span class="kn">from</span> <span class="nn">sas.guiframe.events</span> <span class="kn">import</span> <span class="n">StatusEvent</span> 
62<span class="kn">from</span> <span class="nn">periodictable</span> <span class="kn">import</span> <span class="n">formula</span> <span class="k">as</span> <span class="n">Formula</span>
63<span class="kn">from</span> <span class="nn">sas.perspectives.calculator</span> <span class="kn">import</span> <span class="n">calculator_widgets</span> <span class="k">as</span> <span class="n">widget</span>
64       
65<span class="n">AVOGADRO</span> <span class="o">=</span>  <span class="mf">6.02214129e23</span>
66<span class="n">_INPUTS</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;Mass Density&#39;</span><span class="p">,</span> <span class="s">&#39;Molar Volume&#39;</span><span class="p">]</span>
67<span class="n">_UNITS</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;g/cm^(3)     &#39;</span><span class="p">,</span> <span class="s">&#39;cm^(3)/mol &#39;</span><span class="p">]</span>
68<span class="c">#Density panel size </span>
69<span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">platform</span><span class="o">.</span><span class="n">count</span><span class="p">(</span><span class="s">&quot;win32&quot;</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
70    <span class="n">_STATICBOX_WIDTH</span> <span class="o">=</span> <span class="mi">410</span>
71    <span class="n">_BOX_WIDTH</span> <span class="o">=</span> <span class="mi">200</span>
72    <span class="n">PANEL_SIZE</span> <span class="o">=</span> <span class="mi">440</span>
73    <span class="n">FONT_VARIANT</span> <span class="o">=</span> <span class="mi">0</span>
74<span class="k">else</span><span class="p">:</span>
75    <span class="n">_STATICBOX_WIDTH</span> <span class="o">=</span> <span class="mi">430</span>
76    <span class="n">_BOX_WIDTH</span> <span class="o">=</span> <span class="mi">200</span>
77    <span class="n">PANEL_SIZE</span> <span class="o">=</span> <span class="mi">460</span>
78    <span class="n">FONT_VARIANT</span> <span class="o">=</span> <span class="mi">1</span>
79   
80<div class="viewcode-block" id="DensityPanel"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel">[docs]</a><span class="k">class</span> <span class="nc">DensityPanel</span><span class="p">(</span><span class="n">ScrolledPanel</span><span class="p">,</span> <span class="n">PanelBase</span><span class="p">):</span>
81    <span class="sd">&quot;&quot;&quot;</span>
82<span class="sd">    Provides the mass density calculator GUI.</span>
83<span class="sd">    &quot;&quot;&quot;</span>
84    <span class="c">## Internal nickname for the window, used by the AUI manager</span>
85    <span class="n">window_name</span> <span class="o">=</span> <span class="s">&quot;Mass Density Calculator&quot;</span>
86    <span class="c">## Name to appear on the window title bar</span>
87    <span class="n">window_caption</span> <span class="o">=</span> <span class="s">&quot;Mass Density Calculator&quot;</span>
88    <span class="c">## Flag to tell the AUI manager to put this panel in the center pane</span>
89    <span class="n">CENTER_PANE</span> <span class="o">=</span> <span class="bp">True</span>
90   
91    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwds</span><span class="p">):</span>
92        <span class="sd">&quot;&quot;&quot;</span>
93<span class="sd">        &quot;&quot;&quot;</span>
94        <span class="n">ScrolledPanel</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwds</span><span class="p">)</span>
95        <span class="n">PanelBase</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
96        <span class="bp">self</span><span class="o">.</span><span class="n">SetupScrolling</span><span class="p">()</span>
97        <span class="c">#Font size </span>
98        <span class="bp">self</span><span class="o">.</span><span class="n">SetWindowVariant</span><span class="p">(</span><span class="n">variant</span><span class="o">=</span><span class="n">FONT_VARIANT</span><span class="p">)</span>
99        <span class="c"># Object that receive status event</span>
100        <span class="bp">self</span><span class="o">.</span><span class="n">base</span> <span class="o">=</span> <span class="n">base</span>
101        <span class="c"># chemeical formula, string</span>
102        <span class="bp">self</span><span class="o">.</span><span class="n">compound</span> <span class="o">=</span> <span class="s">&#39;&#39;</span>
103        <span class="c"># value of the density/volume, float</span>
104        <span class="bp">self</span><span class="o">.</span><span class="n">input</span> <span class="o">=</span> <span class="bp">None</span>
105        <span class="c"># text controls</span>
106        <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span> <span class="o">=</span> <span class="bp">None</span>
107        <span class="bp">self</span><span class="o">.</span><span class="n">input_ctl</span> <span class="o">=</span> <span class="bp">None</span>
108        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span> <span class="o">=</span> <span class="bp">None</span>
109        <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span> <span class="o">=</span> <span class="bp">None</span>
110        <span class="bp">self</span><span class="o">.</span><span class="n">ctr_color</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">GetBackgroundColour</span><span class="p">()</span>
111        <span class="c"># button</span>
112        <span class="bp">self</span><span class="o">.</span><span class="n">button_calculate</span> <span class="o">=</span> <span class="bp">None</span>
113        <span class="c"># list</span>
114        <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span> <span class="o">=</span> <span class="n">_INPUTS</span>
115        <span class="bp">self</span><span class="o">.</span><span class="n">_input</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
116        <span class="bp">self</span><span class="o">.</span><span class="n">_output</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
117        <span class="bp">self</span><span class="o">.</span><span class="n">_unit_list</span> <span class="o">=</span> <span class="n">_UNITS</span>
118        <span class="c">#Draw the panel</span>
119        <span class="bp">self</span><span class="o">.</span><span class="n">_do_layout</span><span class="p">()</span>
120        <span class="bp">self</span><span class="o">.</span><span class="n">SetAutoLayout</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
121        <span class="bp">self</span><span class="o">.</span><span class="n">Layout</span><span class="p">()</span>
122       
123    <span class="k">def</span> <span class="nf">_do_layout</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
124        <span class="sd">&quot;&quot;&quot;</span>
125<span class="sd">        Draw window content</span>
126<span class="sd">        &quot;&quot;&quot;</span>
127        <span class="c"># units</span>
128        <span class="n">unit_density</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unit_list</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
129        <span class="n">unit_volume</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unit_list</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
130       
131        <span class="c"># sizers</span>
132        <span class="n">sizer_input</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">GridBagSizer</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
133        <span class="n">sizer_output</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">GridBagSizer</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
134        <span class="n">sizer_button</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">BoxSizer</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">HORIZONTAL</span><span class="p">)</span>
135        <span class="bp">self</span><span class="o">.</span><span class="n">sizer1</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">BoxSizer</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">HORIZONTAL</span><span class="p">)</span>
136        <span class="bp">self</span><span class="o">.</span><span class="n">sizer2</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">BoxSizer</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">HORIZONTAL</span><span class="p">)</span>
137        <span class="n">sizer3</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">BoxSizer</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">HORIZONTAL</span><span class="p">)</span>
138        <span class="n">vbox</span>  <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">BoxSizer</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">)</span>
139       
140        <span class="c"># inputs</span>
141        <span class="n">inputbox</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticBox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&quot;Inputs&quot;</span><span class="p">)</span>
142        <span class="n">boxsizer1</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticBoxSizer</span><span class="p">(</span><span class="n">inputbox</span><span class="p">,</span> <span class="n">wx</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">)</span>
143        <span class="n">boxsizer1</span><span class="o">.</span><span class="n">SetMinSize</span><span class="p">((</span><span class="n">_STATICBOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
144        <span class="n">compound_txt</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;Molecular Formula &#39;</span><span class="p">)</span>
145        <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">TextCtrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="n">_BOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
146        <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg1</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;     e.g., H2O&#39;</span><span class="p">)</span>
147        <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg2</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;e.g., D2O&#39;</span><span class="p">)</span>
148        <span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">ComboBox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">style</span><span class="o">=</span><span class="n">wx</span><span class="o">.</span><span class="n">CB_READONLY</span><span class="p">)</span>
149        <span class="n">wx</span><span class="o">.</span><span class="n">EVT_COMBOBOX</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">on_select_input</span><span class="p">)</span> 
150        <span class="n">hint_input_name_txt</span> <span class="o">=</span> <span class="s">&#39;Mass or volume.&#39;</span>
151        <span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="o">.</span><span class="n">SetToolTipString</span><span class="p">(</span><span class="n">hint_input_name_txt</span><span class="p">)</span> 
152        <span class="n">unit_density1</span> <span class="o">=</span> <span class="s">&quot;     &quot;</span> <span class="o">+</span> <span class="n">unit_density</span>
153        <span class="bp">self</span><span class="o">.</span><span class="n">input_ctl</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">TextCtrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="n">_BOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
154        <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_density</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">unit_density1</span><span class="p">)</span>
155        <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_volume</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">unit_volume</span><span class="p">)</span>
156        <span class="n">iy</span> <span class="o">=</span> <span class="mi">0</span>
157        <span class="n">ix</span> <span class="o">=</span> <span class="mi">0</span>
158        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">compound_txt</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
159                             <span class="n">wx</span><span class="o">.</span><span class="n">LEFT</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">15</span><span class="p">)</span>
160        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
161        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
162                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
163        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
164        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">compound_eg1</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
165                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
166       
167        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
168        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">compound_eg2</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
169                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
170        <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
171        <span class="n">iy</span> <span class="o">+=</span> <span class="mi">1</span>
172        <span class="n">ix</span> <span class="o">=</span> <span class="mi">0</span>
173        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
174                             <span class="n">wx</span><span class="o">.</span><span class="n">LEFT</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">15</span><span class="p">)</span>
175        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
176        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_ctl</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
177                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
178        <span class="n">ix</span> <span class="o">+=</span><span class="mi">1</span>
179        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">unit_input_density</span><span class="p">,(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
180                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
181        <span class="n">ix</span> <span class="o">+=</span><span class="mi">1</span>
182        <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_density</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
183        <span class="n">sizer_input</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">unit_input_volume</span><span class="p">,(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
184                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
185        <span class="n">boxsizer1</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">sizer_input</span><span class="p">)</span>
186        <span class="bp">self</span><span class="o">.</span><span class="n">sizer1</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">boxsizer1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span> <span class="o">|</span> <span class="n">wx</span><span class="o">.</span><span class="n">ALL</span><span class="p">,</span> <span class="mi">10</span><span class="p">)</span>
187       
188        <span class="c"># outputs</span>
189        <span class="n">outputbox</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticBox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&quot;Outputs&quot;</span><span class="p">)</span>
190        <span class="n">boxsizer2</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticBoxSizer</span><span class="p">(</span><span class="n">outputbox</span><span class="p">,</span> <span class="n">wx</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">)</span>
191        <span class="n">boxsizer2</span><span class="o">.</span><span class="n">SetMinSize</span><span class="p">((</span><span class="n">_STATICBOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
192       
193        <span class="n">molar_mass_txt</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;Molar Mass &#39;</span><span class="p">)</span>
194        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">TextCtrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="n">_BOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
195        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span><span class="o">.</span><span class="n">SetEditable</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
196        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span><span class="o">.</span><span class="n">SetBackgroundColour</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ctr_color</span><span class="p">)</span>
197        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit1</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;     g/mol&#39;</span><span class="p">)</span>
198        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit2</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">&#39;g/mol&#39;</span><span class="p">)</span>
199       
200        <span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">ComboBox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">style</span><span class="o">=</span><span class="n">wx</span><span class="o">.</span><span class="n">CB_READONLY</span><span class="p">)</span>
201        <span class="n">wx</span><span class="o">.</span><span class="n">EVT_COMBOBOX</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">on_select_output</span><span class="p">)</span> 
202        <span class="n">hint_output_name_txt</span> <span class="o">=</span> <span class="s">&#39;Mass or volume.&#39;</span>
203        <span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="o">.</span><span class="n">SetToolTipString</span><span class="p">(</span><span class="n">hint_output_name_txt</span><span class="p">)</span> 
204        <span class="nb">list</span> <span class="o">=</span> <span class="p">[]</span>
205        <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="p">:</span>
206            <span class="n">name</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
207            <span class="nb">list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
208        <span class="nb">list</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span>
209        <span class="k">for</span> <span class="n">idx</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="nb">list</span><span class="p">)):</span>
210            <span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="o">.</span><span class="n">Append</span><span class="p">(</span><span class="nb">list</span><span class="p">[</span><span class="n">idx</span><span class="p">],</span><span class="n">idx</span><span class="p">)</span>
211            <span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="o">.</span><span class="n">Append</span><span class="p">(</span><span class="nb">list</span><span class="p">[</span><span class="n">idx</span><span class="p">],</span><span class="n">idx</span><span class="p">)</span>
212        <span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="o">.</span><span class="n">SetStringSelection</span><span class="p">(</span><span class="s">&quot;Molar Volume&quot;</span><span class="p">)</span> 
213        <span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="o">.</span><span class="n">SetStringSelection</span><span class="p">(</span><span class="s">&quot;Mass Density&quot;</span><span class="p">)</span> 
214        <span class="n">unit_volume</span> <span class="o">=</span> <span class="s">&quot;     &quot;</span> <span class="o">+</span> <span class="n">unit_volume</span>
215        <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">TextCtrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="n">_BOX_WIDTH</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">))</span>
216        <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span><span class="o">.</span><span class="n">SetEditable</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
217        <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span><span class="o">.</span><span class="n">SetBackgroundColour</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ctr_color</span><span class="p">)</span>
218        <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_density</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">unit_density</span><span class="p">)</span>
219        <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_volume</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">StaticText</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">unit_volume</span><span class="p">)</span>
220        <span class="n">iy</span> <span class="o">=</span> <span class="mi">0</span>
221        <span class="n">ix</span> <span class="o">=</span> <span class="mi">0</span>
222        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">molar_mass_txt</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
223                             <span class="n">wx</span><span class="o">.</span><span class="n">LEFT</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">15</span><span class="p">)</span>
224        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
225        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
226                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
227        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
228        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit1</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
229                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
230        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
231        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit2</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
232                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
233        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
234        <span class="n">iy</span> <span class="o">+=</span> <span class="mi">1</span>
235        <span class="n">ix</span> <span class="o">=</span> <span class="mi">0</span>
236        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
237                             <span class="n">wx</span><span class="o">.</span><span class="n">LEFT</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">15</span><span class="p">)</span>
238        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
239        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span><span class="p">,</span> <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
240                            <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
241        <span class="n">ix</span> <span class="o">+=</span><span class="mi">1</span>
242        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">unit_output_volume</span><span class="p">,</span>
243                         <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
244        <span class="n">ix</span> <span class="o">+=</span> <span class="mi">1</span>
245        <span class="n">sizer_output</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">unit_output_density</span><span class="p">,</span>
246                         <span class="p">(</span><span class="n">iy</span><span class="p">,</span> <span class="n">ix</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> 
247       
248        <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_volume</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
249        <span class="n">boxsizer2</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">sizer_output</span><span class="p">)</span>
250        <span class="bp">self</span><span class="o">.</span><span class="n">sizer2</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">boxsizer2</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ALL</span><span class="p">,</span> <span class="mi">10</span><span class="p">)</span>
251       
252        <span class="c"># buttons</span>
253        <span class="nb">id</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">NewId</span><span class="p">()</span>
254        <span class="bp">self</span><span class="o">.</span><span class="n">button_calculate</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">Button</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">id</span><span class="p">,</span> <span class="s">&quot;Calculate&quot;</span><span class="p">)</span>
255        <span class="bp">self</span><span class="o">.</span><span class="n">button_calculate</span><span class="o">.</span><span class="n">SetToolTipString</span><span class="p">(</span><span class="s">&quot;Calculate.&quot;</span><span class="p">)</span>
256        <span class="bp">self</span><span class="o">.</span><span class="n">Bind</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">EVT_BUTTON</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">calculate</span><span class="p">,</span> <span class="nb">id</span><span class="o">=</span><span class="nb">id</span><span class="p">)</span>   
257       
258        <span class="n">sizer_button</span><span class="o">.</span><span class="n">Add</span><span class="p">((</span><span class="mi">250</span><span class="p">,</span> <span class="mi">20</span><span class="p">),</span> <span class="mi">1</span><span class="p">,</span> <span class="n">wx</span><span class="o">.</span><span class="n">EXPAND</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
259        <span class="n">sizer_button</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">button_calculate</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> 
260                                        <span class="n">wx</span><span class="o">.</span><span class="n">RIGHT</span><span class="o">|</span><span class="n">wx</span><span class="o">.</span><span class="n">ADJUST_MINSIZE</span><span class="p">,</span> <span class="mi">20</span><span class="p">)</span>
261        <span class="n">sizer3</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">sizer_button</span><span class="p">)</span>
262       
263        <span class="c"># layout</span>
264        <span class="n">vbox</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sizer1</span><span class="p">)</span>
265        <span class="n">vbox</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sizer2</span><span class="p">)</span>
266        <span class="n">vbox</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="n">sizer3</span><span class="p">)</span>
267        <span class="n">vbox</span><span class="o">.</span><span class="n">Fit</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> 
268        <span class="bp">self</span><span class="o">.</span><span class="n">SetSizer</span><span class="p">(</span><span class="n">vbox</span><span class="p">)</span>
269   
270<div class="viewcode-block" id="DensityPanel.on_select_input"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.on_select_input">[docs]</a>    <span class="k">def</span> <span class="nf">on_select_input</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
271        <span class="sd">&quot;&quot;&quot;</span>
272<span class="sd">        On selection of input combobox, </span>
273<span class="sd">        update units and output combobox</span>
274<span class="sd">        &quot;&quot;&quot;</span>
275        <span class="k">if</span> <span class="n">event</span> <span class="o">==</span> <span class="bp">None</span><span class="p">:</span>
276            <span class="k">return</span>
277        <span class="n">event</span><span class="o">.</span><span class="n">Skip</span><span class="p">()</span>
278       
279        <span class="n">combo</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">GetEventObject</span><span class="p">()</span>
280        <span class="bp">self</span><span class="o">.</span><span class="n">_input</span> <span class="o">=</span> <span class="n">combo</span><span class="o">.</span><span class="n">GetValue</span><span class="p">()</span>
281        <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="p">:</span>
282            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input</span> <span class="o">!=</span> <span class="n">name</span><span class="p">:</span>
283                <span class="bp">self</span><span class="o">.</span><span class="n">_output</span> <span class="o">=</span> <span class="n">name</span>
284                <span class="k">break</span>
285
286        <span class="bp">self</span><span class="o">.</span><span class="n">set_values</span><span class="p">()</span>
287    </div>
288<div class="viewcode-block" id="DensityPanel.on_select_output"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.on_select_output">[docs]</a>    <span class="k">def</span> <span class="nf">on_select_output</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
289        <span class="sd">&quot;&quot;&quot;</span>
290<span class="sd">        On selection of output combobox, </span>
291<span class="sd">        update units and input combobox</span>
292<span class="sd">        &quot;&quot;&quot;</span>
293        <span class="k">if</span> <span class="n">event</span> <span class="o">==</span> <span class="bp">None</span><span class="p">:</span>
294            <span class="k">return</span>
295        <span class="n">event</span><span class="o">.</span><span class="n">Skip</span><span class="p">()</span>
296       
297        <span class="n">combo</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">GetEventObject</span><span class="p">()</span>
298        <span class="bp">self</span><span class="o">.</span><span class="n">_output</span> <span class="o">=</span> <span class="n">combo</span><span class="o">.</span><span class="n">GetValue</span><span class="p">()</span>
299        <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="p">:</span>
300            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_output</span> <span class="o">!=</span> <span class="n">name</span><span class="p">:</span>
301                <span class="bp">self</span><span class="o">.</span><span class="n">_input</span> <span class="o">=</span> <span class="n">name</span>
302                <span class="k">break</span>
303
304        <span class="bp">self</span><span class="o">.</span><span class="n">set_values</span><span class="p">()</span>
305  </div>
306<div class="viewcode-block" id="DensityPanel.set_values"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.set_values">[docs]</a>    <span class="k">def</span> <span class="nf">set_values</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
307        <span class="sd">&quot;&quot;&quot;</span>
308<span class="sd">        Sets units and combobox values</span>
309<span class="sd">        &quot;&quot;&quot;</span>
310        <span class="nb">input</span><span class="p">,</span> <span class="n">output</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_input</span><span class="p">()</span>
311        <span class="k">if</span> <span class="nb">input</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
312            <span class="k">return</span>
313        <span class="c"># input</span>
314        <span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="nb">input</span><span class="p">))</span>
315        <span class="c"># output</span>
316        <span class="bp">self</span><span class="o">.</span><span class="n">output_cb</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">output</span><span class="p">))</span>
317        <span class="c"># unit</span>
318        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input_list</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="nb">input</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
319            <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
320            <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit2</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
321            <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
322            <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg2</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
323            <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_density</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
324            <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_volume</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
325            <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_volume</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
326            <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_density</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span> 
327        <span class="k">else</span><span class="p">:</span>
328            <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
329            <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_unit2</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
330            <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg1</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
331            <span class="bp">self</span><span class="o">.</span><span class="n">compound_eg2</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
332            <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_volume</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
333            <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_density</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
334            <span class="bp">self</span><span class="o">.</span><span class="n">unit_input_density</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
335            <span class="bp">self</span><span class="o">.</span><span class="n">unit_output_volume</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
336        <span class="c"># layout    </span>
337        <span class="bp">self</span><span class="o">.</span><span class="n">clear_outputs</span><span class="p">()</span>
338        <span class="bp">self</span><span class="o">.</span><span class="n">sizer1</span><span class="o">.</span><span class="n">Layout</span><span class="p">()</span> 
339        <span class="bp">self</span><span class="o">.</span><span class="n">sizer2</span><span class="o">.</span><span class="n">Layout</span><span class="p">()</span>   
340        </div>
341<div class="viewcode-block" id="DensityPanel.get_input"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.get_input">[docs]</a>    <span class="k">def</span> <span class="nf">get_input</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
342        <span class="sd">&quot;&quot;&quot;</span>
343<span class="sd">        Return the current input and output combobox values</span>
344<span class="sd">        &quot;&quot;&quot;</span>
345        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_input</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_output</span>
346    </div>
347<div class="viewcode-block" id="DensityPanel.check_inputs"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.check_inputs">[docs]</a>    <span class="k">def</span> <span class="nf">check_inputs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
348        <span class="sd">&quot;&quot;&quot;</span>
349<span class="sd">        Check validity user inputs</span>
350<span class="sd">        &quot;&quot;&quot;</span>
351        <span class="n">flag</span> <span class="o">=</span> <span class="bp">True</span>
352        <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;&quot;</span>
353        <span class="k">if</span> <span class="n">check_float</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_ctl</span><span class="p">):</span>
354            <span class="bp">self</span><span class="o">.</span><span class="n">input</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_ctl</span><span class="o">.</span><span class="n">GetValue</span><span class="p">())</span>
355        <span class="k">else</span><span class="p">:</span>
356            <span class="n">flag</span> <span class="o">=</span> <span class="bp">False</span>
357            <span class="n">input_type</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">input_cb</span><span class="o">.</span><span class="n">GetValue</span><span class="p">())</span>
358            <span class="n">msg</span> <span class="o">+=</span> <span class="s">&quot;Error for </span><span class="si">%s</span><span class="s"> value :expect float&quot;</span><span class="o">%</span> <span class="n">input_type</span>
359               
360        <span class="bp">self</span><span class="o">.</span><span class="n">compound</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">GetValue</span><span class="p">()</span><span class="o">.</span><span class="n">lstrip</span><span class="p">()</span><span class="o">.</span><span class="n">rstrip</span><span class="p">()</span>
361        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">compound</span> <span class="o">!=</span> <span class="s">&quot;&quot;</span><span class="p">:</span>
362            <span class="k">try</span> <span class="p">:</span>
363                <span class="n">Formula</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">compound</span><span class="p">)</span>
364                <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">SetBackgroundColour</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">WHITE</span><span class="p">)</span>
365                <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">Refresh</span><span class="p">()</span>
366            <span class="k">except</span><span class="p">:</span>
367                <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">SetBackgroundColour</span><span class="p">(</span><span class="s">&quot;pink&quot;</span><span class="p">)</span>
368                <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">Refresh</span><span class="p">()</span>
369                <span class="n">flag</span> <span class="o">=</span> <span class="bp">False</span>
370                <span class="n">msg</span> <span class="o">+=</span> <span class="s">&quot;Enter correct formula&quot;</span>
371        <span class="k">else</span><span class="p">:</span>
372            <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">SetBackgroundColour</span><span class="p">(</span><span class="s">&quot;pink&quot;</span><span class="p">)</span>
373            <span class="bp">self</span><span class="o">.</span><span class="n">compound_ctl</span><span class="o">.</span><span class="n">Refresh</span><span class="p">()</span>
374            <span class="n">flag</span> <span class="o">=</span> <span class="bp">False</span>
375            <span class="n">msg</span> <span class="o">+=</span> <span class="s">&quot;Enter Formula&quot;</span>
376        <span class="k">return</span> <span class="n">flag</span><span class="p">,</span> <span class="n">msg</span>
377       
378</div>
379<div class="viewcode-block" id="DensityPanel.calculate"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.calculate">[docs]</a>    <span class="k">def</span> <span class="nf">calculate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
380        <span class="sd">&quot;&quot;&quot;</span>
381<span class="sd">        Calculate the mass Density/molar Volume of the molecules</span>
382<span class="sd">        &quot;&quot;&quot;</span>
383        <span class="bp">self</span><span class="o">.</span><span class="n">clear_outputs</span><span class="p">()</span>
384        <span class="k">try</span><span class="p">:</span>
385            <span class="c">#Check validity user inputs</span>
386            <span class="n">flag</span><span class="p">,</span> <span class="n">msg</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">check_inputs</span><span class="p">()</span>
387            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">base</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span> <span class="ow">and</span> <span class="n">msg</span><span class="o">.</span><span class="n">lstrip</span><span class="p">()</span><span class="o">.</span><span class="n">rstrip</span><span class="p">()</span> <span class="o">!=</span> <span class="s">&quot;&quot;</span><span class="p">:</span>
388                <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Density/Volume Calculator: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
389                <span class="n">wx</span><span class="o">.</span><span class="n">PostEvent</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">base</span><span class="p">,</span> <span class="n">StatusEvent</span><span class="p">(</span><span class="n">status</span><span class="o">=</span><span class="n">msg</span><span class="p">))</span>
390            <span class="k">if</span> <span class="ow">not</span> <span class="n">flag</span><span class="p">:</span>
391               <span class="k">return</span> 
392            <span class="c">#get ready to compute</span>
393            <span class="n">mol_formula</span> <span class="o">=</span> <span class="n">Formula</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">compound</span><span class="p">)</span>
394            <span class="n">molar_mass</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">mol_formula</span><span class="o">.</span><span class="n">molecular_mass</span><span class="p">)</span> <span class="o">*</span> <span class="n">AVOGADRO</span>
395            <span class="n">output</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_number</span><span class="p">(</span><span class="n">molar_mass</span> <span class="o">/</span> <span class="bp">self</span><span class="o">.</span><span class="n">input</span><span class="p">)</span>
396            <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_format_number</span><span class="p">(</span><span class="n">molar_mass</span><span class="p">)))</span>
397            <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">output</span><span class="p">))</span>
398        <span class="k">except</span><span class="p">:</span>
399            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">base</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
400                <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Density/Volume Calculator: </span><span class="si">%s</span><span class="s">&quot;</span><span class="o">%</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">exc_value</span><span class="p">)</span>
401                <span class="n">wx</span><span class="o">.</span><span class="n">PostEvent</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">base</span><span class="p">,</span> <span class="n">StatusEvent</span><span class="p">(</span><span class="n">status</span><span class="o">=</span><span class="n">msg</span><span class="p">))</span>
402        <span class="k">if</span> <span class="n">event</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
403            <span class="n">event</span><span class="o">.</span><span class="n">Skip</span><span class="p">()</span>
404            </div>
405<div class="viewcode-block" id="DensityPanel.clear_outputs"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityPanel.clear_outputs">[docs]</a>    <span class="k">def</span> <span class="nf">clear_outputs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
406        <span class="sd">&quot;&quot;&quot;</span>
407<span class="sd">        Clear the outputs textctrl</span>
408<span class="sd">        &quot;&quot;&quot;</span>
409        <span class="bp">self</span><span class="o">.</span><span class="n">molar_mass_ctl</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="s">&quot;&quot;</span><span class="p">)</span>
410        <span class="bp">self</span><span class="o">.</span><span class="n">output_ctl</span><span class="o">.</span><span class="n">SetValue</span><span class="p">(</span><span class="s">&quot;&quot;</span><span class="p">)</span>
411        </div>
412    <span class="k">def</span> <span class="nf">_format_number</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
413        <span class="sd">&quot;&quot;&quot;</span>
414<span class="sd">        Return a float in a standardized, human-readable formatted string </span>
415<span class="sd">        &quot;&quot;&quot;</span>
416        <span class="k">try</span><span class="p">:</span> 
417            <span class="n">value</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
418        <span class="k">except</span><span class="p">:</span>
419            <span class="n">output</span> <span class="o">=</span> <span class="s">&#39;&#39;</span>
420            <span class="k">return</span> <span class="n">output</span>
421
422        <span class="n">output</span> <span class="o">=</span> <span class="s">&quot;</span><span class="si">%-12.5f</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">value</span>
423        <span class="k">return</span> <span class="n">output</span><span class="o">.</span><span class="n">lstrip</span><span class="p">()</span><span class="o">.</span><span class="n">rstrip</span><span class="p">()</span> 
424        </div>
425<div class="viewcode-block" id="DensityWindow"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityWindow">[docs]</a><span class="k">class</span> <span class="nc">DensityWindow</span><span class="p">(</span><span class="n">widget</span><span class="o">.</span><span class="n">CHILD_FRAME</span><span class="p">):</span>
426    <span class="sd">&quot;&quot;&quot;</span>
427<span class="sd">    &quot;&quot;&quot;</span>
428    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s">&quot;Density/Volume Calculator&quot;</span><span class="p">,</span>
429                  <span class="n">base</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">manager</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> 
430                  <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="n">PANEL_SIZE</span><span class="p">,</span> <span class="n">PANEL_SIZE</span><span class="o">/</span><span class="mf">1.7</span><span class="p">),</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwds</span><span class="p">):</span>
431        <span class="sd">&quot;&quot;&quot;</span>
432<span class="sd">        &quot;&quot;&quot;</span>
433        <span class="n">kwds</span><span class="p">[</span><span class="s">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">title</span>
434        <span class="n">kwds</span><span class="p">[</span><span class="s">&#39;size&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">size</span>
435        <span class="n">widget</span><span class="o">.</span><span class="n">CHILD_FRAME</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwds</span><span class="p">)</span>
436        <span class="sd">&quot;&quot;&quot;</span>
437<span class="sd">        &quot;&quot;&quot;</span>
438        <span class="bp">self</span><span class="o">.</span><span class="n">manager</span> <span class="o">=</span> <span class="n">manager</span>
439        <span class="bp">self</span><span class="o">.</span><span class="n">panel</span> <span class="o">=</span> <span class="n">DensityPanel</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="n">base</span><span class="p">)</span>
440        <span class="bp">self</span><span class="o">.</span><span class="n">Bind</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">EVT_CLOSE</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">on_close</span><span class="p">)</span>
441        <span class="bp">self</span><span class="o">.</span><span class="n">SetPosition</span><span class="p">((</span><span class="mi">25</span><span class="p">,</span> <span class="mi">160</span><span class="p">))</span>
442        <span class="bp">self</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
443   
444<div class="viewcode-block" id="DensityWindow.on_close"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.DensityWindow.on_close">[docs]</a>    <span class="k">def</span> <span class="nf">on_close</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
445        <span class="sd">&quot;&quot;&quot;</span>
446<span class="sd">        On close event</span>
447<span class="sd">        &quot;&quot;&quot;</span>
448        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">manager</span> <span class="o">!=</span> <span class="bp">None</span><span class="p">:</span>
449            <span class="bp">self</span><span class="o">.</span><span class="n">manager</span><span class="o">.</span><span class="n">cal_md_frame</span> <span class="o">=</span> <span class="bp">None</span>
450        <span class="bp">self</span><span class="o">.</span><span class="n">Destroy</span><span class="p">()</span>
451       
452        </div></div>
453<div class="viewcode-block" id="ViewApp"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.ViewApp">[docs]</a><span class="k">class</span> <span class="nc">ViewApp</span><span class="p">(</span><span class="n">wx</span><span class="o">.</span><span class="n">App</span><span class="p">):</span>
454    <span class="sd">&quot;&quot;&quot;</span>
455<span class="sd">    &quot;&quot;&quot;</span>
456<div class="viewcode-block" id="ViewApp.OnInit"><a class="viewcode-back" href="../../../../dev/api/sas.perspectives.calculator.html#sas.perspectives.calculator.density_panel.ViewApp.OnInit">[docs]</a>    <span class="k">def</span> <span class="nf">OnInit</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
457        <span class="sd">&quot;&quot;&quot;</span>
458<span class="sd">        &quot;&quot;&quot;</span>
459        <span class="n">widget</span><span class="o">.</span><span class="n">CHILD_FRAME</span> <span class="o">=</span> <span class="n">wx</span><span class="o">.</span><span class="n">Frame</span>
460        <span class="n">frame</span> <span class="o">=</span> <span class="n">DensityWindow</span><span class="p">(</span><span class="bp">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s">&quot;Density/Volume Calculator&quot;</span><span class="p">)</span>   
461        <span class="n">frame</span><span class="o">.</span><span class="n">Show</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
462        <span class="bp">self</span><span class="o">.</span><span class="n">SetTopWindow</span><span class="p">(</span><span class="n">frame</span><span class="p">)</span>
463        <span class="k">return</span> <span class="bp">True</span>
464       
465</div></div>
466<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span> 
467    <span class="n">app</span> <span class="o">=</span> <span class="n">ViewApp</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
468    <span class="n">app</span><span class="o">.</span><span class="n">MainLoop</span><span class="p">()</span>     
469</pre></div>
470
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