bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/SCLTextEditor.java

   1 package org.simantics.document.swt.core.widget;\r
   2 \r
   3 import org.eclipse.swt.SWT;\r
   4 import org.eclipse.swt.widgets.Composite;\r
   5 import org.eclipse.ui.PlatformUI;\r
   6 import org.simantics.document.server.JSONObject;\r
   7 import org.simantics.document.server.handler.AbstractEventHandler;\r
   8 import org.simantics.document.server.io.CommandContextImpl;\r
   9 import org.simantics.document.swt.core.SWTDocument;\r
  10 import org.simantics.document.swt.core.base.LeafWidgetManager;\r
  11 import org.simantics.scl.ui.editor.SCLTextEditorNew;\r
  12 import org.simantics.scl.ui.editor.TextAndErrors;\r
  13 import org.simantics.utils.ui.workbench.FocusContextActivator;\r
  14 \r
  15 public class SCLTextEditor extends LeafWidgetManager<SCLTextEditorNew> {\r
  16         \r
  17         public static class State {\r
  18                 \r
  19                 final private SWTDocument document;\r
  20                 final private SCLTextEditorNew editor;\r
  21                 public AbstractEventHandler onModify;\r
  22 \r
  23                 public State(SWTDocument document, SCLTextEditorNew editor) {\r
  24                         this.document = document;\r
  25                         this.editor = editor;\r
  26                 }\r
  27 \r
  28                 public void fireText() {\r
  29                         if(onModify != null) {\r
  30                                 CommandContextImpl parameters = new CommandContextImpl();\r
  31                                 parameters.putString("text", editor.getContent());\r
  32                                 document.post(onModify, parameters);\r
  33                         }\r
  34                 }\r
  35                 \r
  36         }\r
  37         \r
  38         @Override\r
  39         protected SCLTextEditorNew doCreateControl(SWTDocument document, Composite parent, JSONObject object) {\r
  40                 \r
  41                 SCLTextEditorNew editor = new SCLTextEditorNew(parent, SWT.NONE);\r
  42                 State state = new State(document, editor);\r
  43 \r
  44                 editor.viewer.getTextWidget().setData("state", state);\r
  45                 new FocusContextActivator("org.simantics.document.swt.core.widget.SCLTextEditor", editor.viewer.getTextWidget(), PlatformUI.getWorkbench().getActiveWorkbenchWindow());\r
  46         \r
  47                 return editor;\r
  48                 \r
  49         }\r
  50         \r
  51         @Override\r
  52         protected void doUpdateProperties(SWTDocument document, SCLTextEditorNew control, JSONObject object) {\r
  53 \r
  54                 if(control.isDisposed()) return;\r
  55                 \r
  56                 TextAndErrors textAndErrors = object.getValue("textAndErrors");\r
  57                 if(textAndErrors == null) return;\r
  58 \r
  59                 // Disable updates during setContent\r
  60 \r
  61                 int caret = control.viewer.getTextWidget().getCaretOffset();\r
  62                 \r
  63                 control.setContent(textAndErrors.text, textAndErrors.errors);\r
  64                 \r
  65                 // For updates, restore caret\r
  66                 control.viewer.getTextWidget().setCaretOffset(caret);\r
  67                 \r
  68                 final AbstractEventHandler onModify = object.getValue("onModify");\r
  69                 State state = (State)control.viewer.getTextWidget().getData("state");\r
  70                 state.onModify = onModify;\r
  71                 \r
  72         }\r
  73         \r
  74 }\r