com.google.code.t4eclipse.tools.view.MenuAnalyzerView.java Source code

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Here is the source code for com.google.code.t4eclipse.tools.view.MenuAnalyzerView.java

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/*******************************************************************************
 * Copyright (c) 2013 jialiang.
 * 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:
 *     Ben Xu, xufengbing@gmail.com - initial API and implementation
 *     jialiang, lantianjialiang@gmail.com - add copy right and fix warning
 ******************************************************************************/
package com.google.code.t4eclipse.tools.view;

import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.part.ViewPart;

import com.google.code.t4eclipse.core.utility.MenuUtility;
import com.google.code.t4eclipse.tools.action.AnalyzeNextMenuAction;
import com.google.code.t4eclipse.tools.view.provider.MenuItemContentProvider;
import com.google.code.t4eclipse.tools.view.provider.MenuItemLabelProvider;

public class MenuAnalyzerView extends ViewPart {

    private TreeViewer viewer;

    public MenuAnalyzerView() {

    }

    public void update(Control c) {
        if (c != null && !c.isDisposed()) {
            update(c.getMenu());
        }

    }

    @SuppressWarnings("unused")
    public void update(Menu menu) {
        if (menu != null && !menu.isDisposed()) {
            // remove the following method will cause problem when reset input
            this.viewer.setSelection(StructuredSelection.EMPTY);
            this.viewer.setInput(menu);
            IViewSite site = (IViewSite) this.getSite();
        }
    }

    public void updateFromAuto(Menu menu) {
        IViewSite site = (IViewSite) this.getSite();
        ToolBarManager tbm = (ToolBarManager) site.getActionBars().getToolBarManager();
        ToolBar tb = tbm.getControl();
        ToolItem[] items = tb.getItems();
        for (ToolItem t : items) {
            Object data = t.getData();
            if (data != null && data instanceof IContributionItem) {
                IContributionItem action = (IContributionItem) data;
                String id = action.getId();
                if (id != null && id.contains("AnalyzeNextMenuAction")) {
                    t.setSelection(false);
                }
            }
        }

        AnalyzeNextMenuAction.addRemovePageListener(false);
        update(menu);
    }

    @Override
    public void createPartControl(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.horizontalSpacing = 0;
        layout.verticalSpacing = 0;
        layout.marginWidth = 0;
        layout.marginHeight = 0;
        layout.numColumns = 1;
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(GridData.FILL_BOTH));

        createViewer(composite);
        getSite().setSelectionProvider(viewer);
        final MenuManager menuMgr = new MenuManager("#PopupMenu");
        menuMgr.setRemoveAllWhenShown(true);
        Menu menu = menuMgr.createContextMenu(this.viewer.getTree());

        this.viewer.getTree().setMenu(menu);
        getSite().registerContextMenu(menuMgr, this.viewer);
    }

    private void createViewer(Composite parent) {
        viewer = new TreeViewer(parent, SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);

        viewer.getTree().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
        viewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
        // fFilteredTree.setInitialText(Messages.LogView_show_filter_initialText);

        viewer.getTree().setLinesVisible(true);
        createColumns(viewer.getTree());
        viewer.setContentProvider(new MenuItemContentProvider());
        viewer.setLabelProvider(new MenuItemLabelProvider());

    }

    private void createColumns(Tree tree) {
        for (int i = 0; i < MenuUtility.COLUMNS.length; i++) {
            TreeColumn col = new TreeColumn(tree, SWT.LEFT);
            col.setText(MenuUtility.COLUMNS[i]);
            col.setWidth(MenuUtility.COL_WIDTH[i]);
        }

        tree.setHeaderVisible(true);

    }

    @Override
    public void setFocus() {
        //do nothing
    }

    @Override
    public void dispose() {
        super.dispose();
    }

    public TreeViewer getTreeViewer() {
        return this.viewer;
    }
}