org.springsource.ide.eclipse.commons.ui.tips.TipInfo.java Source code

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Here is the source code for org.springsource.ide.eclipse.commons.ui.tips.TipInfo.java

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/*******************************************************************************
 * Copyright (c) 2013 Pivotal Software, Inc.
 * 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:
 *     Pivotal Software, Inc. - initial API and implementation
 *******************************************************************************/
package org.springsource.ide.eclipse.commons.ui.tips;

import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.bindings.Binding;
import org.eclipse.jface.bindings.keys.KeyBinding;
import org.eclipse.jface.bindings.keys.KeySequence;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.keys.IBindingService;
import org.springsource.ide.eclipse.commons.ui.UiUtil;

/**
 * 
 * @author Andrew Eisenberg
 * @since 3.3.0
 */
class TipInfo {
    public static final String COMMAND = "command:";

    public static final String PREF = "pref:";

    public TipInfo(String infoText, String linkText) {
        this.linkText = linkText;
        this.infoText = infoText;
        this.keyBindingId = null;
    }

    public TipInfo(String infoText, String linkText, String keyBindingId) {
        this.linkText = linkText;
        this.infoText = infoText;
        this.keyBindingId = keyBindingId;
    }

    final String linkText;

    final String infoText;

    final String keyBindingId;

    public String getKeyBindingText(IWorkbenchWindow activeWindow) {
        if (this.keyBindingId != null) {
            IBindingService bindingService = (IBindingService) activeWindow.getService(IBindingService.class);
            Binding[] bindings = bindingService.getBindings();
            KeySequence keySequence = null;
            for (Binding binding : bindings) {
                if (binding instanceof KeyBinding && binding.getParameterizedCommand() != null
                        && binding.getParameterizedCommand().getId().equals(this.keyBindingId)) {
                    keySequence = ((KeyBinding) binding).getKeySequence();
                    break;
                }
            }
            if (keySequence != null) {
                return " Key binding: " + keySequence;
            }
        }
        return null;
    }

    public void invokeAction(String text, IWorkbenchWindow activeWindow) {
        if (text.startsWith(TipInfo.PREF)) {
            PreferenceDialog dialog = PreferencesUtil.createPreferenceDialogOn(activeWindow.getShell(),
                    text.substring(TipInfo.PREF.length()), null, null);
            dialog.open();
        } else if (text.startsWith(TipInfo.COMMAND)) {
            String commandIdString = text.substring(TipInfo.COMMAND.length());
            if (activeWindow != null) {
                ICommandService commandService = (ICommandService) activeWindow.getService(ICommandService.class);
                try {
                    Command command = commandService.getCommand(commandIdString);
                    command.executeWithChecks(new ExecutionEvent());
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        } else {
            UiUtil.openUrl(text);
        }
    }

}