org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/views/SinglePageResourceView.java

   1 package org.simantics.proconf.g3d.views;\r
   2 \r
   3 import org.eclipse.jface.viewers.ISelection;\r
   4 import org.eclipse.swt.layout.GridData;\r
   5 import org.eclipse.swt.layout.GridLayout;\r
   6 import org.eclipse.swt.widgets.Composite;\r
   7 import org.eclipse.swt.widgets.Control;\r
   8 import org.eclipse.ui.ISelectionListener;\r
   9 import org.eclipse.ui.IWorkbenchPart;\r
  10 import org.eclipse.ui.forms.events.ExpansionAdapter;\r
  11 import org.eclipse.ui.forms.events.ExpansionEvent;\r
  12 import org.eclipse.ui.forms.widgets.FormToolkit;\r
  13 import org.eclipse.ui.forms.widgets.ScrolledForm;\r
  14 import org.eclipse.ui.forms.widgets.Section;\r
  15 import org.simantics.proconf.ui.workbench.GraphAccessViewPart;\r
  16 import org.simantics.utils.ui.jface.BaseSelectionProvider;\r
  17 \r
  18 public abstract class SinglePageResourceView extends GraphAccessViewPart{\r
  19         protected Composite parent;\r
  20         private ScrolledForm form;\r
  21         private BaseSelectionProvider defaultInputSelectionProvider = new BaseSelectionProvider();\r
  22         protected FormToolkit toolkit;\r
  23         protected ISelectionListener pageSelectionListener;\r
  24         \r
  25         @Override\r
  26         public void createPartControl(Composite parent) {\r
  27                 super.createPartControl(parent);\r
  28                 this.parent = parent;\r
  29 \r
  30                 toolkit = new FormToolkit(parent.getDisplay());\r
  31                 form = getToolkit().createScrolledForm(parent);\r
  32 \r
  33                 GridLayout layout = new GridLayout(2, false);\r
  34                 form.getBody().setLayout(layout);\r
  35                 form.getBody().setLayoutData(\r
  36                                 new GridData(GridData.FILL, GridData.FILL, true, true));\r
  37 \r
  38                 getViewSite().setSelectionProvider(defaultInputSelectionProvider);\r
  39 \r
  40                 // createWidgets();\r
  41 \r
  42                 form.setText(getFormText());\r
  43 \r
  44                 hookPageSelection();\r
  45 \r
  46         }\r
  47         \r
  48         \r
  49     /**\r
  50      * Receives selection changes\r
  51      * \r
  52      * @param part\r
  53      * @param selection\r
  54      */\r
  55     protected void pageSelectionChanged(IWorkbenchPart part, ISelection selection) {\r
  56         \r
  57     }\r
  58         \r
  59         \r
  60         \r
  61         \r
  62         \r
  63         protected abstract String getFormText();\r
  64         \r
  65         protected abstract void createWidgets();\r
  66         \r
  67         @Override\r
  68         public void setFocus() {\r
  69                 //System.out.println("FormTypeEditorBase.setFocus(): Input = " + getInput());\r
  70                 ScrolledForm form = getActiveForm();\r
  71                 if (form != null) {\r
  72                         form.setFocus();\r
  73                 }\r
  74         }\r
  75         \r
  76         public FormToolkit getToolkit() {\r
  77                 return toolkit;\r
  78         }\r
  79         \r
  80         public ScrolledForm getActiveForm() {\r
  81                 return form;\r
  82         }\r
  83         \r
  84         public void clearForm() {\r
  85                 for (Control c : form.getBody().getChildren())\r
  86                         c.dispose();\r
  87                 \r
  88         }\r
  89         \r
  90         protected Composite getBody() {\r
  91         return form.getBody();\r
  92     }\r
  93         \r
  94         public Composite newGridSection(\r
  95             int formColumns,\r
  96             int childColumns,\r
  97             boolean equalWidth,\r
  98             boolean grabVertical,\r
  99             String text,\r
 100             String description) \r
 101     {\r
 102         return newGridSection(getBody(), formColumns, childColumns, equalWidth, grabVertical, text, description);\r
 103     }\r
 104 \r
 105     public Composite newGridSection(\r
 106             Composite parent,\r
 107             int formColumns,\r
 108             int childColumns,\r
 109             boolean equalWidth,\r
 110             boolean grabVertical,\r
 111             String text,\r
 112             String description)\r
 113     {\r
 114         FormToolkit toolkit = getToolkit();\r
 115         \r
 116         Section section = toolkit.createSection(parent,\r
 117                 Section.DESCRIPTION | Section.TWISTIE | Section.TITLE_BAR | Section.EXPANDED);\r
 118         section.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, grabVertical, formColumns, 1));\r
 119         section.addExpansionListener(new ExpansionAdapter() {\r
 120             public void expansionStateChanged(ExpansionEvent e) {\r
 121                 //System.out.println("SinglePageTypeEditor: expansionStateChanged " + e);\r
 122                 //reflow(true);\r
 123             }\r
 124         });\r
 125         section.setText(text);\r
 126         section.setDescription(description);\r
 127         Composite sectionClient = toolkit.createComposite(section);\r
 128         sectionClient.setLayout(new GridLayout(childColumns, equalWidth));\r
 129         sectionClient.setLayoutData(new GridData());\r
 130         section.setClient(sectionClient);\r
 131         return sectionClient;\r
 132     }\r
 133     \r
 134     public void dispose() {\r
 135         if (pageSelectionListener != null)\r
 136             getSite().getPage().removePostSelectionListener(pageSelectionListener);\r
 137     \r
 138         super.dispose();\r
 139     }\r
 140     \r
 141     private void hookPageSelection() {\r
 142         pageSelectionListener = new ISelectionListener() {\r
 143             public void selectionChanged(IWorkbenchPart part, ISelection selection) {\r
 144                 if (part == SinglePageResourceView.this)\r
 145                     return;\r
 146                 pageSelectionChanged(part, selection);\r
 147             }\r
 148         };\r
 149         getSite().getPage().addPostSelectionListener(pageSelectionListener);\r
 150         ISelection sel = getSite().getPage().getSelection();\r
 151         IWorkbenchPart wb = getSite().getPage().getActivePart();\r
 152         pageSelectionChanged(wb, sel);\r
 153     }\r
 154     \r
 155 }\r