1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / TogglePresentationAction.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/TogglePresentationAction.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/TogglePresentationAction.java
new file mode 100644 (file)
index 0000000..71b3da6
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/TogglePresentationAction.java
@@ -0,0 +1,139 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpeclipse.phpeditor;
+
+import net.sourceforge.phpdt.internal.ui.PHPUiImages;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpdt.ui.actions.PHPEditorActionDefinitionIds;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.ui.texteditor.ITextEditor;
+import org.eclipse.ui.texteditor.TextEditorAction;
+
+/**
+ * A toolbar action which toggles the presentation model of the connected text
+ * editor. The editor shows either the highlight range only or always the whole
+ * document.
+ */
+public class TogglePresentationAction extends TextEditorAction implements
+               IPropertyChangeListener {
+
+       private IPreferenceStore fStore;
+
+       /**
+        * Constructs and updates the action.
+        */
+       public TogglePresentationAction() {
+               super(PHPEditorMessages.getResourceBundle(),
+                               "TogglePresentation.", null); //$NON-NLS-1$
+               PHPUiImages.setToolImageDescriptors(this, "segment_edit.gif"); //$NON-NLS-1$
+               setToolTipText(PHPEditorMessages
+                               .getString("TogglePresentation.tooltip")); //$NON-NLS-1$
+               setActionDefinitionId(PHPEditorActionDefinitionIds.TOGGLE_PRESENTATION);
+               // WorkbenchHelp.setHelp(this,
+               // IJavaHelpContextIds.TOGGLE_PRESENTATION_ACTION);
+               update();
+       }
+
+       /*
+        * @see IAction#actionPerformed
+        */
+       public void run() {
+
+               ITextEditor editor = getTextEditor();
+               if (editor == null)
+                       return;
+
+               IRegion remembered = editor.getHighlightRange();
+               editor.resetHighlightRange();
+
+               boolean showAll = !editor.showsHighlightRangeOnly();
+               setChecked(showAll);
+
+               editor.showHighlightRangeOnly(showAll);
+               if (remembered != null)
+                       editor.setHighlightRange(remembered.getOffset(), remembered
+                                       .getLength(), true);
+
+               fStore.removePropertyChangeListener(this);
+               fStore.setValue(PreferenceConstants.EDITOR_SHOW_SEGMENTS, showAll);
+               fStore.addPropertyChangeListener(this);
+       }
+
+       /*
+        * @see TextEditorAction#update
+        */
+       public void update() {
+               ITextEditor editor = getTextEditor();
+               boolean checked = (editor != null && editor.showsHighlightRangeOnly());
+               setChecked(checked);
+               setEnabled(editor != null);
+       }
+
+       /*
+        * @see TextEditorAction#setEditor(ITextEditor)
+        */
+       public void setEditor(ITextEditor editor) {
+
+               super.setEditor(editor);
+
+               if (editor != null) {
+
+                       if (fStore == null) {
+                               fStore = PHPeclipsePlugin.getDefault().getPreferenceStore();
+                               fStore.addPropertyChangeListener(this);
+                       }
+                       synchronizeWithPreference(editor);
+
+               } else if (fStore != null) {
+                       fStore.removePropertyChangeListener(this);
+                       fStore = null;
+               }
+
+               update();
+       }
+
+       /**
+        * Synchronizes the appearance of the editor with what the preference store
+        * tells him.
+        */
+       private void synchronizeWithPreference(ITextEditor editor) {
+
+               if (editor == null)
+                       return;
+
+               boolean showSegments = fStore
+                               .getBoolean(PreferenceConstants.EDITOR_SHOW_SEGMENTS);
+               setChecked(showSegments);
+
+               if (editor.showsHighlightRangeOnly() != showSegments) {
+                       IRegion remembered = editor.getHighlightRange();
+                       editor.resetHighlightRange();
+                       editor.showHighlightRangeOnly(showSegments);
+                       if (remembered != null)
+                               editor.setHighlightRange(remembered.getOffset(), remembered
+                                               .getLength(), true);
+               }
+       }
+
+       /*
+        * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+        */
+       public void propertyChange(PropertyChangeEvent event) {
+               if (event.getProperty()
+                               .equals(PreferenceConstants.EDITOR_SHOW_SEGMENTS))
+                       synchronizeWithPreference(getTextEditor());
+       }
+}