diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/ViewerExpandCollapseAction.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/ViewerExpandCollapseAction.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/ViewerExpandCollapseAction.java b/bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/ViewerExpandCollapseAction.java new file mode 100644 index 0000000000..956c7dee2c --- /dev/null +++ b/bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/ViewerExpandCollapseAction.java @@ -0,0 +1,69 @@ +/***************************************************************************** + * Copyright (c) 2004 IBM Corporation and others. All rights reserved. This + * program and the accompanying materials are made available under the terms + * of the Eclipse Public License v1.0 which accompanies this distribution, and + * is available at http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: IBM Corporation - initial API and implementation + ****************************************************************************/ + + +package org.eclipse.wst.xml.ui.internal.tabletree; + +import org.eclipse.jface.action.Action; +import org.eclipse.jface.resource.ImageDescriptor; +import org.eclipse.jface.viewers.AbstractTreeViewer; +import org.eclipse.wst.xml.internal.ui.XMLEditorPluginImageHelper; +import org.eclipse.wst.xml.internal.ui.XMLEditorPluginImages; +import org.eclipse.wst.xml.ui.util.XMLCommonResources; + + + +public class ViewerExpandCollapseAction extends Action { + + protected boolean isExpandAction; + protected AbstractTreeViewer viewer = null; + + public ViewerExpandCollapseAction(boolean isExpandAction) { + this.isExpandAction = isExpandAction; + if (isExpandAction) { + ImageDescriptor e_imageDescriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_ETOOL_EXPANDALL); + ImageDescriptor d_imageDescriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_DTOOL_EXPANDALL); + + setImageDescriptor(e_imageDescriptor); + setDisabledImageDescriptor(d_imageDescriptor); + setToolTipText(XMLCommonResources.getInstance().getString("_UI_INFO_EXPAND_ALL")); //$NON-NLS-1$ + } else { + ImageDescriptor e_imageDescriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_ETOOL_COLLAPSEALL); + ImageDescriptor d_imageDescriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_DTOOL_COLLAPSEALL); + + setImageDescriptor(e_imageDescriptor); + setDisabledImageDescriptor(d_imageDescriptor); + setToolTipText(XMLCommonResources.getInstance().getString("_UI_INFO_COLLAPSE_ALL")); //$NON-NLS-1$ + } + } + + public void setViewer(AbstractTreeViewer viewer) { + this.viewer = viewer; + } + + public void run() { + if (viewer != null) { + // temporarily set the visibility to false + // this has a HUGE performance benefit + boolean isVisible = viewer.getControl().getVisible(); + viewer.getControl().setVisible(false); + + if (isExpandAction) { + viewer.expandAll(); + } else { + viewer.collapseAll(); + } + + // restore the previous visibility state + // + viewer.getControl().setVisible(isVisible); + } + } +} + |