refactory: added UI removed from core plugin.

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpeclipse / xml / ui / internal / outline / XMLOutlinePage.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/outline/XMLOutlinePage.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/outline/XMLOutlinePage.java
new file mode 100644 (file)
index 0000000..0daae7d
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/outline/XMLOutlinePage.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2004 Christopher Lenz 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:
+ *     Christopher Lenz - initial API and implementation
+ * 
+ * $Id: XMLOutlinePage.java,v 1.3 2006-10-21 23:14:14 pombredanne Exp $
+ */
+
+package net.sourceforge.phpeclipse.xml.ui.internal.outline;
+
+import java.util.List;
+
+import net.sourceforge.phpeclipse.core.model.ISourceReference;
+import net.sourceforge.phpeclipse.ui.views.outline.ProblemsLabelDecorator;
+import net.sourceforge.phpeclipse.xml.core.model.IXMLDocument;
+import net.sourceforge.phpeclipse.xml.ui.internal.editor.XMLDocumentProvider;
+import net.sourceforge.phpeclipse.xml.ui.internal.editor.XMLEditor;
+
+import org.eclipse.jface.viewers.DecoratingLabelProvider;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
+
+/**
+ * Implements the outline page associated with the XML editor.
+ */
+public class XMLOutlinePage extends ContentOutlinePage {
+
+       // Instance Variables ------------------------------------------------------
+
+       /**
+        * The associated editor.
+        */
+       private XMLEditor editor;
+
+       // Constructors ------------------------------------------------------------
+
+       /**
+        * Constructor.
+        * 
+        * @param editor
+        *            The associated text editor
+        */
+       public XMLOutlinePage(XMLEditor editor) {
+               this.editor = editor;
+       }
+
+       // ContentOutlinePage Implementation ---------------------------------------
+
+       /*
+        * @see org.eclipse.ui.part.IPage#createControl(Composite)
+        */
+       public void createControl(Composite parent) {
+               super.createControl(parent);
+               TreeViewer viewer = getTreeViewer();
+               viewer.setContentProvider(new XMLOutlineContentProvider());
+               viewer.setLabelProvider(new DecoratingLabelProvider(
+                               new XMLOutlineLabelProvider(), new ProblemsLabelDecorator(
+                                               editor)));
+               viewer.setInput(getDocument());
+       }
+
+       // Public Methods ----------------------------------------------------------
+
+       /**
+        * Selects a specific element in the outline page.
+        * 
+        * @param element
+        *            the element to select
+        */
+       public void select(ISourceReference element) {
+               TreeViewer viewer = getTreeViewer();
+               if (viewer != null) {
+                       ISelection selection = viewer.getSelection();
+                       if (selection instanceof IStructuredSelection) {
+                               IStructuredSelection structuredSelection = (IStructuredSelection) selection;
+                               List elements = structuredSelection.toList();
+                               if (!elements.contains(element)) {
+                                       if (element == null) {
+                                               selection = StructuredSelection.EMPTY;
+                                       } else {
+                                               selection = new StructuredSelection(element);
+                                       }
+                                       viewer.setSelection(selection, true);
+                               }
+                       }
+               }
+       }
+
+       /**
+        * Updates the outline page.
+        */
+       public void update() {
+               IXMLDocument document = getDocument();
+               if (document != null) {
+                       TreeViewer viewer = getTreeViewer();
+                       if (viewer != null) {
+                               Control control = viewer.getControl();
+                               if ((control != null) && !control.isDisposed()) {
+                                       control.setRedraw(false);
+                                       viewer.setInput(document);
+                                       viewer.expandAll();
+                                       control.setRedraw(true);
+                               }
+                       }
+               }
+       }
+
+       // Private Methods ---------------------------------------------------------
+
+       /**
+        * Returns the parsed model of the XML document that is loaded into the
+        * associated editor.
+        * 
+        * @return the parsed XML document
+        */
+       private IXMLDocument getDocument() {
+               IDocumentProvider provider = editor.getDocumentProvider();
+               if (provider instanceof XMLDocumentProvider) {
+                       XMLDocumentProvider xmlProvider = (XMLDocumentProvider) provider;
+                       return xmlProvider.getModel(editor.getEditorInput());
+               }
+               return null;
+       }
+
+}