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=Architecture design for Slicer flexible layouts =
 
=Architecture design for Slicer flexible layouts =
  
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[http://www.slicer.org/slicerWiki/index.php/Slicer3:UIDesign#Working_problem:_Customizable_layouts_for_Slicer3 Back to Flexible Layouts Overview ]
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[[Slicer3:UIDesign#Working_problem:_Customizable_layouts_for_Slicer3|Back to Flexible Layouts Overview ]]
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−
 
 
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[[image:FlexibleLayoutRepresentation.png]]
 
  
  
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<pre>
 
<pre>
 
  <table name=A>
 
  <table name=A>
−
  <tr>
+
  <tr width=.5 height=.5>
−
   <td>
+
   <td width=1.0 height=1.0>
 
     <table>
 
     <table>
−
       <tr>
+
       <tr width=1.0 height=0.5>
−
         <td> B </td>
+
         <td width=1.0 height=1.0> B </td>
 
       </tr>
 
       </tr>
−
       <tr>
+
       <tr width=1.0 height=0.5>
−
         <td> F </td>
+
         <td width=1.0 height=1.0> F </td>
 
       </tr>
 
       </tr>
 
     </table>
 
     </table>
 
   </td>
 
   </td>
−
   <td> C </td>
+
   <td width=1.0 height=1.0> C </td>
 
  </tr>
 
  </tr>
−
  <tr>
+
  <tr width=0.5 height=0.5>
−
   <td> D </td>
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   <td width=1.0 height=1.0> D </td>
−
   <td> E </td>
+
   <td width=1.0 height=1.0> E </td>
 
  </tr>
 
  </tr>
 
  </table>
 
  </table>
 
</pre>
 
</pre>
 +
pros & cons ??
  
 
* Tk grid style description
 
* Tk grid style description
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  grid -row 2 -column 1 E
 
  grid -row 2 -column 1 E
 
</pre>
 
</pre>
 +
pros & cons ??
 +
 +
* tree description
  
−
* css type description
+
<pre>
−
* tree description
+
 
 +
???
 +
vtkMRMLSlicerLayoutPaneTreeNode
 +
{
 +
    split[]
 +
    GetNumberOfChildren()
 +
    GetNthChild (int n)
 +
    DeleteNthChild (int n)
 +
    SetPaneContent ( *vtkObject)
 +
    method to delete a pane (span)
 +
    method to add a split (nest)
 +
}
 +
???
 +
</pre>
  
 
And settled on the tree for its ease of programmatic manipulation.
 
And settled on the tree for its ease of programmatic manipulation.
 +
 +
[[image:FlexibleLayoutRepresentation.png]]
 +
 +
Ideas on representation and approach:
 +
* nodes represent panes in the layout
 +
* root is the encapsulating pane
 +
* nodes contain weights that describe their horizontal and vertical span of the parent
 +
* only leaf nodes can contain content
 +
* can use swidget infrastructure for handling events using Tk Bind() to avoid triggering unwanted updates in ApplicationGUI during layout manipulation
 +
* Create singleton node on the scene?
 +
* Create a Layout collection on the scene that contains predefined and saved custom layouts?
 +
* Selecting existing layout or creating custom layout would copy a node from the collection into the scene's singleton and triggers an update and redisplay of the Slicer window?
 +
 +
== Questions ==
 +
* If a pane has tabs, how are tabs represented?
 +
* If the main application Window has multiple tabs, then does each tab have its own layout tree?

Latest revision as of 02:25, 27 November 2019

Home < Slicer3:UIDesign:WorkingProblems:SlicerFlexibleLayout:Architecture

Architecture design for Slicer flexible layouts

Back to Flexible Layouts Overview


Notes:

We discussed several ways of representing layouts including:

  • html table style description
 <table name=A>
 <tr width=.5 height=.5>
   <td width=1.0 height=1.0>
     <table>
       <tr width=1.0 height=0.5>
         <td width=1.0 height=1.0> B </td>
       </tr>
       <tr width=1.0 height=0.5>
         <td width=1.0 height=1.0> F </td>
       </tr>
     </table>
   </td>
   <td width=1.0 height=1.0> C </td>
 </tr>
 <tr width=0.5 height=0.5>
   <td width=1.0 height=1.0> D </td>
   <td width=1.0 height=1.0> E </td>
 </tr>
 </table>

pros & cons ??

  • Tk grid style description
 grid -row 0 -column 0 B
 grid -row 0 -column 1 -rowspan 2 C
 grid -row 1 -column 0 F
 grid -row 2 -column 0 D
 grid -row 2 -column 1 E

pros & cons ??

  • tree description

 ???
 vtkMRMLSlicerLayoutPaneTreeNode
 {
    split[]
    GetNumberOfChildren()
    GetNthChild (int n)
    DeleteNthChild (int n)
    SetPaneContent ( *vtkObject)
    method to delete a pane (span)
    method to add a split (nest)
 }
 ???

And settled on the tree for its ease of programmatic manipulation.

FlexibleLayoutRepresentation.png

Ideas on representation and approach:

  • nodes represent panes in the layout
  • root is the encapsulating pane
  • nodes contain weights that describe their horizontal and vertical span of the parent
  • only leaf nodes can contain content
  • can use swidget infrastructure for handling events using Tk Bind() to avoid triggering unwanted updates in ApplicationGUI during layout manipulation
  • Create singleton node on the scene?
  • Create a Layout collection on the scene that contains predefined and saved custom layouts?
  • Selecting existing layout or creating custom layout would copy a node from the collection into the scene's singleton and triggers an update and redisplay of the Slicer window?

Questions

  • If a pane has tabs, how are tabs represented?
  • If the main application Window has multiple tabs, then does each tab have its own layout tree?
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