com.google.dart.tools.ui.web.utils.WebEditor.java Source code

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Here is the source code for com.google.dart.tools.ui.web.utils.WebEditor.java

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/*
 * Copyright (c) 2012, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.dart.tools.ui.web.utils;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentListener;
import org.eclipse.jface.text.IRegion;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.editors.text.TextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;

/**
 * The abstract superclass of the html and css editors.
 */
public abstract class WebEditor extends TextEditor {

    public final static String MATCHING_BRACKETS = "matchingBrackets";
    public final static String MATCHING_BRACKETS_COLOR = "matchingBracketsColor";

    public WebEditor() {
        // Enable bracket highlighting in the preference store.
        IPreferenceStore store = getPreferenceStore();

        store.setDefault(MATCHING_BRACKETS, true);
        store.setDefault(MATCHING_BRACKETS_COLOR, "128,128,128");
    }

    @Override
    public void createPartControl(Composite parent) {
        super.createPartControl(parent);

        getDocument().addDocumentListener(new IDocumentListener() {
            @Override
            public void documentAboutToBeChanged(DocumentEvent event) {

            }

            @Override
            public void documentChanged(DocumentEvent event) {
                handleDocumentModified();
            }
        });
    }

    public IDocument getDocument() {
        return getSourceViewer().getDocument();
    }

    @Override
    public String getTitleToolTip() {
        if (getEditorInput() instanceof IFileEditorInput) {
            IFileEditorInput input = (IFileEditorInput) getEditorInput();

            if (input.getFile().getLocation() != null) {
                return input.getFile().getLocation().toFile().toString();
            }
        }

        return super.getTitleToolTip();
    }

    public void selectAndReveal(Node node) {
        if (node.getEndToken() != null) {
            int length = node.getEndToken().getLocation() - node.getStartToken().getLocation();

            length += node.getEndToken().getValue().length();

            selectAndReveal(node.getStartToken().getLocation(), length);
        } else {
            selectAndReveal(node.getStartToken().getLocation(), 0);
        }
    }

    @Override
    protected void editorContextMenuAboutToShow(IMenuManager menu) {
        // Cut/Copy/Paste actions..
        addAction(menu, ITextEditorActionConstants.UNDO);
        addAction(menu, ITextEditorActionConstants.CUT);
        addAction(menu, ITextEditorActionConstants.COPY);
        addAction(menu, ITextEditorActionConstants.PASTE);
    }

    protected void handleDocumentModified() {

    }

    protected abstract void handleReconcilation(IRegion partition);

    @Override
    protected void initializeKeyBindingScopes() {
        setKeyBindingScopes(new String[] { "com.google.dart.tools.ui.dartViewScope" }); //$NON-NLS-1$
    }

    @Override
    protected void rulerContextMenuAboutToShow(IMenuManager menu) {
        super.rulerContextMenuAboutToShow(menu);

        // Remove the Preferences menu item
        menu.remove(ITextEditorActionConstants.RULER_PREFERENCES);
    }

}