diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentoutline/CSSNodeAdapter.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentoutline/CSSNodeAdapter.java | 641 |
1 files changed, 0 insertions, 641 deletions
diff --git a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentoutline/CSSNodeAdapter.java b/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentoutline/CSSNodeAdapter.java deleted file mode 100644 index 1898c59509..0000000000 --- a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentoutline/CSSNodeAdapter.java +++ /dev/null @@ -1,641 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2010 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.css.ui.internal.contentoutline; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Iterator; -import java.util.List; -import java.util.Vector; - -import org.eclipse.core.runtime.Platform; -import org.eclipse.jface.viewers.StructuredViewer; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.widgets.Display; -import org.eclipse.ui.PlatformUI; -import org.eclipse.ui.views.properties.PropertySheetPage; -import org.eclipse.wst.css.core.internal.document.CSSStructuredDocumentRegionContainer; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSMediaRule; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSPrimitiveValue; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclItem; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclaration; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleRule; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleSheet; -import org.eclipse.wst.css.ui.internal.image.CSSImageHelper; -import org.eclipse.wst.css.ui.internal.image.CSSImageType; -import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; -import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory; -import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; -import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter; -import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapterFactory; -import org.w3c.dom.css.CSSImportRule; -import org.w3c.dom.css.CSSRule; -import org.w3c.dom.stylesheets.MediaList; - -/** - * Adapts the CSS DOM node to a JFace viewer. - */ -class CSSNodeAdapter implements IJFaceNodeAdapter, INodeAdapter, Runnable { - /** - * debug .option - */ - private static final boolean DEBUG = getDebugValue(); - - private static boolean getDebugValue() { - String value = Platform.getDebugOption("org.eclipse.wst.sse.ui/debug/outline"); //$NON-NLS-1$ - boolean result = (value != null) && value.equalsIgnoreCase("true"); //$NON-NLS-1$ - return result; - } - - class NotifyContext { - NotifyContext(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - this.notifier = notifier; - this.eventType = eventType; - this.changedFeature = changedFeature; - this.oldValue = oldValue; - this.newValue = newValue; - this.pos = pos; - } - - void fire() { - internalNotifyChanged(notifier, eventType, changedFeature, oldValue, newValue, pos); - } - - INodeNotifier notifier; - int eventType; - Object changedFeature; - Object oldValue; - Object newValue; - int pos; - } - - class StyleViewUpdater implements Runnable { - public void run() { - if (lastUpdater == this) { - internalActionPerformed(); - lastUpdater = null; - } - } - } - - protected INodeAdapterFactory adapterFactory; - private Vector notifyQueue; - StyleViewUpdater lastUpdater; - protected int delayMSecs = 500; - RefreshStructureJob fRefreshJob = null; - final static Class ADAPTER_KEY = IJFaceNodeAdapter.class; - - public CSSNodeAdapter(INodeAdapterFactory adapterFactory) { - super(); - this.adapterFactory = adapterFactory; - } - - private synchronized RefreshStructureJob getRefreshJob() { - if (fRefreshJob == null) { - fRefreshJob = new RefreshStructureJob(); - } - return fRefreshJob; - } - - /** - * Insert the method's description here. - */ - protected void internalActionPerformed() { - if (notifyQueue == null) { - return; - } - boolean refresh_all = false; - boolean refresh_rule = false; - int pos_all = 0; - List targets = new ArrayList(); - for (int i = 0; i < notifyQueue.size(); i++) { - NotifyContext context = (NotifyContext) notifyQueue.get(i); - if (context.notifier instanceof ICSSStyleSheet) { - refresh_all = true; - pos_all = i; - } - if (context.notifier instanceof ICSSStyleDeclaration) { - refresh_rule = true; - targets.add(context); - // pos_rule = i; - } - // ((NotifyContext) notifyQueue.get(i)).fire(); - } - if (refresh_all) { - ((NotifyContext) notifyQueue.get(pos_all)).fire(); - } - else if (refresh_rule) { - Iterator i = targets.iterator(); - while (i.hasNext()) { - ((NotifyContext) i.next()).fire(); - } - // else if (refresh_rule) internalRefreshAll(); - } - else { - for (int i = 0; i < notifyQueue.size(); i++) { - ((NotifyContext) notifyQueue.get(i)).fire(); - } - } - notifyQueue.clear(); - } - - /** - * Called by the object being adapter (the notifier) when something has - * changed. - */ - public void internalNotifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - Iterator iterator = ((IJFaceNodeAdapterFactory) adapterFactory).getListeners().iterator(); - while (iterator.hasNext()) { - Object listener = iterator.next(); - if (listener instanceof StructuredViewer) { - notifyChangedForStructuredViewer((StructuredViewer) listener, notifier, eventType, changedFeature, oldValue, newValue, pos); - } - else if (listener instanceof PropertySheetPage) { - notifyChangedForPropertySheetPage((PropertySheetPage) listener, notifier, eventType, changedFeature, oldValue, newValue, pos); - } - } - } - - private void notifyChangedForPropertySheetPage(PropertySheetPage page, INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - if (page.getControl() == null || page.getControl().isDisposed()) { - return; - } - if (eventType == INodeNotifier.CHANGE || eventType == INodeNotifier.ADD || eventType == INodeNotifier.REMOVE) { - page.refresh(); - } - } - - private void notifyChangedForStructuredViewer(StructuredViewer viewer, INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - if (viewer.getControl() == null || viewer.getControl().isDisposed()) { - return; - } - if (eventType == INodeNotifier.CHANGE) { - if (notifier instanceof ICSSStyleSheet) { - ICSSNode temp = (changedFeature != null) ? (ICSSNode) changedFeature : (ICSSNode) newValue; - if (temp instanceof ICSSStyleRule) { - viewer.refresh(); - } - else { - for (;;) { - if (temp instanceof ICSSStyleRule) { - break; - } - temp = temp.getParentNode(); - if (temp == null) { - break; - } - } - if (temp == null || temp instanceof ICSSStyleSheet) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - } - else { - ICSSNode temp = (ICSSNode) notifier; - if (temp != null) { - temp = temp.getParentNode(); - } - if (temp == null || temp instanceof ICSSStyleSheet) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - } - if (eventType == INodeNotifier.ADD) { - if (notifier instanceof ICSSStyleSheet) { - ICSSNode temp = (changedFeature != null) ? (ICSSNode) changedFeature : (ICSSNode) newValue; - if (temp instanceof ICSSStyleRule) { - viewer.refresh(); - } - else { - for (;;) { - if (temp instanceof ICSSStyleRule) { - break; - } - temp = temp.getParentNode(); - if (temp == null) { - break; - } - } - } - if (temp == null || (temp instanceof ICSSStyleSheet)) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - else { - if (newValue != null && (newValue instanceof ICSSStyleDeclItem)) { - viewer.refresh(((ICSSNode) newValue).getParentNode()); - } - else { - ICSSNode temp = (ICSSNode) notifier; - if (temp != null) { - temp = temp.getParentNode(); - } - if (temp == null || (temp instanceof ICSSStyleSheet)) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - } - } - else if (eventType == INodeNotifier.REMOVE) { - if (notifier instanceof ICSSStyleSheet) { - ICSSNode temp = (changedFeature != null) ? (ICSSNode) changedFeature : (ICSSNode) newValue; - if (temp instanceof ICSSStyleRule) { - viewer.refresh(); - } - else { - for (;;) { - if (temp instanceof ICSSStyleRule) { - break; - } - temp = temp.getParentNode(); - if (temp == null) { - break; - } - } - if (temp == null || (temp instanceof ICSSStyleSheet)) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - } - else { - // viewer.refresh(notifier); - ICSSNode temp = (ICSSNode) notifier; - if (temp != null) { - temp = temp.getParentNode(); - } - if (temp == null || (temp instanceof ICSSStyleSheet)) { - viewer.refresh(); - } - else { - viewer.refresh(temp); - } - } - } - // } - } - - /** - * - */ - public void internalRefreshAll() { - Collection listeners = ((JFaceNodeAdapterFactoryCSS) adapterFactory).getListeners(); - Iterator iterator = listeners.iterator(); - while (iterator.hasNext()) { - Object listener = iterator.next(); - if (listener instanceof StructuredViewer) { - StructuredViewer viewer = (StructuredViewer) listener; - if (viewer.getControl() != null && !viewer.getControl().isDisposed()) { - viewer.refresh(); - } - } - else if (listener instanceof PropertySheetPage) { - PropertySheetPage page = (PropertySheetPage) listener; - if (page.getControl() != null && !page.getControl().isDisposed()) { - page.refresh(); - } - } - } - } - - /** - * Allowing the INodeAdapter to compare itself against the type allows it - * to return true in more than one case. - */ - public boolean isAdapterForType(Object type) { - return type.equals(ADAPTER_KEY); - } - - /** - * Called by the object being adapter (the notifier) when something has - * changed. - */ - public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - if (notifyQueue == null) - notifyQueue = new Vector(); -// notifyQueue.add(new NotifyContext(notifier, eventType, changedFeature, oldValue, newValue, pos)); - // TODO-future: there's probably a better way than relying on async - // exec - if (notifier instanceof ICSSNode) { - Collection listeners = ((JFaceNodeAdapterFactoryCSS) adapterFactory).getListeners(); - Iterator iterator = listeners.iterator(); - - while (iterator.hasNext()) { - Object listener = iterator.next(); - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=90637 - // if (notifier instanceof Node && (listener instanceof - // StructuredViewer) && (eventType == - // INodeNotifier.STRUCTURE_CHANGED || (eventType == - // INodeNotifier.CHANGE && changedFeature == null))) { - if ((listener instanceof StructuredViewer) && ((eventType == INodeNotifier.STRUCTURE_CHANGED) || (eventType == INodeNotifier.CONTENT_CHANGED) || (eventType == INodeNotifier.CHANGE || (eventType == INodeNotifier.ADD) || (eventType == INodeNotifier.REMOVE)))) { - if (DEBUG) { - System.out.println("JFaceNodeAdapter notified on event type > " + eventType); //$NON-NLS-1$ - } - - // refresh on structural and "unknown" changes - StructuredViewer structuredViewer = (StructuredViewer) listener; - // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=5230 - if (structuredViewer.getControl() != null) { - getRefreshJob().refresh(structuredViewer, (ICSSNode) notifier); - } - } - } - } - } - - Display getDisplay() { - return PlatformUI.getWorkbench().getDisplay(); - } - - /** - * this method is intended only for timerExec() - */ - public void run() { - lastUpdater = new StyleViewUpdater(); - getDisplay().asyncExec(lastUpdater); - } - - /** - * Returns an enumeration containing all child nodes of the given element, - * which represents a node in a tree. The difference to - * <code>IStructuredContentProvider.getElements(Object)</code> is as - * follows: <code>getElements</code> is called to obtain the tree - * viewer's root elements. Method <code>getChildren</code> is used to - * obtain the children of a given node in the tree, which can can be a - * root node, too. - */ - public Object[] getChildren(Object object) { - if (object instanceof ICSSNode) { - ICSSNode node = (ICSSNode) object; - - short nodeType = node.getNodeType(); - if (nodeType == ICSSNode.STYLERULE_NODE || nodeType == ICSSNode.PAGERULE_NODE || nodeType == ICSSNode.FONTFACERULE_NODE) { - for (node = node.getFirstChild(); node != null && !(node instanceof ICSSStyleDeclaration); node.getNextSibling()) { - // nop - } - } - List children = new ArrayList(); - ICSSNode child = (node != null) ? node.getFirstChild() : null; - while (child != null) { - if (!(child instanceof ICSSPrimitiveValue) && !(child instanceof MediaList)) { - children.add(child); - } - /* - * Required to correctly connect the refreshing behavior to - * the tree - */ - if (child instanceof INodeNotifier) { - ((INodeNotifier) child).getAdapterFor(IJFaceNodeAdapter.class); - } - child = child.getNextSibling(); - } - return children.toArray(); - } - return new Object[0]; - } - - /** - * Returns an enumeration with the elements belonging to the passed - * element. These elements can be presented as rows in a table, items in a - * list etc. - */ - public Object[] getElements(Object object) { - // The root is usually an instance of an XMLStructuredModel in - // which case we want to extract the document. - - if (object instanceof ICSSModel) { - ArrayList v = new ArrayList(); - // internalGetElements(object, v); - addElements(object, v); - Object[] elements = v.toArray(); - - for (int i = 0; i < elements.length; i++) { - /* - * Required to correctly connect the refreshing behavior to - * the tree - */ - if (elements[i] instanceof INodeNotifier) { - ((INodeNotifier) elements[i]).getAdapterFor(IJFaceNodeAdapter.class); - } - } - - return elements; - } - return new Object[0]; - - } - - /** - * Returns the image for the label of the given element, for use in the - * given viewer. - * - * @param viewer - * The viewer that displays the element. - * @param element - * The element for which to provide the label image. Element - * can be <code>null</code> indicating no input object is set - * to the viewer. - */ - public Image getLabelImage(Object element) { - if (element instanceof ICSSNode) { - CSSImageHelper helper = CSSImageHelper.getInstance(); - return helper.getImage(CSSImageType.getImageType((ICSSNode) element)); - // Image image = getCSSNodeImage(element); - // return image; - // return getAdapter(element).getLabelImage((ICSSNode) element); - } - return null; - } - - /** - * Returns the text for the label of the given element, for use in the - * given viewer. - * - * @param viewer - * The viewer that displays the element. - * @param element - * The element for which to provide the label text. Element can - * be <code>null</code> indicating no input object is set to - * the viewer. - */ - public String getLabelText(Object element) { - // This was returning null, on occasion ... probably should not be, - // but - // took the quick and easy way out for now. (dmw 3/8/01) - - String result = "";//$NON-NLS-1$ - String mediaText; - if (element instanceof ICSSNode) { - switch (((ICSSNode) element).getNodeType()) { - case ICSSNode.STYLERULE_NODE : - result = ((ICSSStyleRule) element).getSelectors().getString(); - break; - case ICSSNode.FONTFACERULE_NODE : - result = "@font-face";//$NON-NLS-1$ - break; - case ICSSNode.IMPORTRULE_NODE : - result = ((CSSImportRule) element).getHref(); - mediaText = getMediaText((CSSImportRule) element); - if (mediaText != null && 0 < mediaText.length()) { - result += " (" + mediaText + ")"; //$NON-NLS-1$ //$NON-NLS-2$ - } - break; - case ICSSNode.PAGERULE_NODE : - result = "@page";//$NON-NLS-1$ - break; - case ICSSNode.STYLEDECLARATION_NODE : - result = "properties";//$NON-NLS-1$ - break; - case ICSSNode.STYLEDECLITEM_NODE : - result = ((ICSSStyleDeclItem) element).getPropertyName(); - break; - case ICSSNode.PRIMITIVEVALUE_NODE : - result = ((ICSSPrimitiveValue) element).getStringValue(); - break; - case ICSSNode.MEDIARULE_NODE : - result = "@media";//$NON-NLS-1$ - mediaText = getMediaText((ICSSMediaRule) element); - if (mediaText != null && 0 < mediaText.length()) { - result += " (" + mediaText + ")"; //$NON-NLS-1$ //$NON-NLS-2$ - } - break; - case ICSSNode.CHARSETRULE_NODE : - result = "@charset";//$NON-NLS-1$ - break; - case ICSSNode.MEDIALIST_NODE : - result = ((MediaList) element).getMediaText(); - break; - default : - break; - } - } - - // if (element instanceof ICSSNode) { - // ICSSNode node = ((ICSSNode)element); - // result = getAdapter(element).getLabelText((ICSSNode) element); - // } - return result; - } - - /** - * Returns the parent for the given element. This method can return - * <code>null</code> indicating that the parent can't be computed. In - * this case the tree viewer can't expand a given node correctly if - * requested. - */ - public Object getParent(Object object) { - if (object instanceof ICSSNode) { - ICSSNode node = ((ICSSNode) object).getParentNode(); - if (node != null && node.getNodeType() == ICSSNode.STYLEDECLARATION_NODE) { - /* - * Required to also correctly connect style declaration to the - * refreshing behavior in the tree - */ - if (node instanceof INodeNotifier) { - ((INodeNotifier) node).getAdapterFor(IJFaceNodeAdapter.class); - } - node = node.getParentNode(); - } - return node; - } - return null; - } - - /** - * Returns <code>true</code> if the given element has children. - * Otherwise <code>false</code> is returned. - */ - public boolean hasChildren(Object object) { - // return getAdapter(object).hasChildren((ICSSNode) object); - if (object instanceof ICSSNode) { - /* - * Required to correctly connect the refreshing behavior to the - * tree - */ - if (object instanceof INodeNotifier) { - ((INodeNotifier) object).getAdapterFor(IJFaceNodeAdapter.class); - } - - if (object instanceof ICSSStyleDeclItem) - return false; - else { - if(((ICSSNode) object).hasChildNodes()) { - ICSSNode child = ((ICSSNode) object).getFirstChild(); - - while(child != null) { - if(child instanceof CSSStructuredDocumentRegionContainer) { - String childText = ((CSSStructuredDocumentRegionContainer) child).getCssText(); - if(childText != null && childText.length() > 0) - return true; - } - child = child.getNextSibling(); - } - } - } - } - return false; - } - - private void addElements(Object element, ArrayList v) { - - ICSSNode node; - - if (element instanceof ICSSModel) { - ICSSModel model = (ICSSModel) element; - ICSSDocument doc = model.getDocument(); - node = doc.getFirstChild(); - } - else if (element instanceof ICSSNode) { - node = ((ICSSNode) element).getFirstChild(); - } - else - return; - - while (node != null) { - if (node instanceof CSSRule) { - v.add(node); - } - - node = node.getNextSibling(); - } - - } - - private String getMediaText(CSSRule rule) { - String result = ""; //$NON-NLS-1$ - ICSSNode child = (rule != null) ? ((ICSSNode) rule).getFirstChild() : null; - while (child != null) { - if (child.getNodeType() == ICSSNode.MEDIALIST_NODE) { - result = ((MediaList) child).getMediaText(); - break; - } - child = child.getNextSibling(); - } - return result; - } -} |