org.eclipse.tm.te.tcf.processes.ui.controls.ProcessesTreeControl.java Source code

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Here is the source code for org.eclipse.tm.te.tcf.processes.ui.controls.ProcessesTreeControl.java

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/*******************************************************************************
 * Copyright (c) 2011 Wind River Systems, Inc. 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:
 * Wind River Systems - initial API and implementation
 *******************************************************************************/
package org.eclipse.tm.te.tcf.processes.ui.controls;

import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.tm.te.tcf.processes.ui.nls.Messages;
import org.eclipse.tm.te.ui.interfaces.IUIConstants;
import org.eclipse.tm.te.ui.trees.AbstractTreeControl;
import org.eclipse.tm.te.ui.trees.TreeViewerComparator;
import org.eclipse.ui.IWorkbenchPart;

/**
 * Processes tree control.
 */
public class ProcessesTreeControl extends AbstractTreeControl {

    /**
     * Constructor.
     */
    public ProcessesTreeControl() {
        super();
    }

    /**
     * Constructor.
     *
     * @param parentPart The parent workbench part this control is embedded in or <code>null</code>.
     */
    public ProcessesTreeControl(IWorkbenchPart parentPart) {
        super(parentPart);
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#configureTreeViewer(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected void configureTreeViewer(TreeViewer viewer) {
        super.configureTreeViewer(viewer);

        Tree tree = viewer.getTree();
        if (hasColumns()) {
            TreeColumn column = new TreeColumn(tree, SWT.LEFT);
            column.setText(Messages.ProcessesTreeControl_column_name_label);
            column.setWidth(250);

            column = new TreeColumn(tree, SWT.RIGHT);
            column.setText(Messages.ProcessesTreeControl_column_pid_label);
            column.setWidth(50);

            column = new TreeColumn(tree, SWT.RIGHT);
            column.setText(Messages.ProcessesTreeControl_column_ppid_label);
            column.setWidth(50);

            column = new TreeColumn(tree, SWT.RIGHT);
            column.setText(Messages.ProcessesTreeControl_column_state_label);
            column.setWidth(50);

            column = new TreeColumn(tree, SWT.RIGHT);
            column.setText(Messages.ProcessesTreeControl_column_user_label);
            column.setWidth(100);
        }
        tree.setHeaderVisible(hasColumns());
    }

    /**
     * Returns if or if not to show the tree columns.
     *
     * @return <code>True</code> to show the tree columns, <code>false</code> otherwise.
     */
    protected boolean hasColumns() {
        return true;
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#doCreateTreeViewerContentProvider(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected ITreeContentProvider doCreateTreeViewerContentProvider(TreeViewer viewer) {
        return new ProcessesTreeContentProvider();
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#doCreateTreeViewerLabelProvider(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected ILabelProvider doCreateTreeViewerLabelProvider(TreeViewer viewer) {
        return new ProcessesTreeLabelProvider();
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#doCreateTreeViewerSelectionChangedListener(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected ISelectionChangedListener doCreateTreeViewerSelectionChangedListener(TreeViewer viewer) {
        return null;
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#doCreateTreeViewerComparator(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected ViewerComparator doCreateTreeViewerComparator(TreeViewer viewer) {
        return new TreeViewerComparator(viewer, (ILabelProvider) viewer.getLabelProvider());
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#getAutoExpandLevel()
     */
    @Override
    protected int getAutoExpandLevel() {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.tm.te.ui.trees.AbstractTreeControl#getContextMenuId()
     */
    @Override
    protected String getContextMenuId() {
        return IUIConstants.ID_CONTROL_MENUS_BASE + ".menu.processes"; //$NON-NLS-1$;
    }

}