com.aqua.wikiwizard.SystemObjectPage.java Source code

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Here is the source code for com.aqua.wikiwizard.SystemObjectPage.java

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/**
 * Copyright 2008, AQUA Software
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.aqua.wikiwizard;

import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMember;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jface.dialogs.IDialogPage;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.IWorkbench;

/**
 * Represents the first page of the wizard
 * @author Guy Arieli, Michael Oziransky
 */
public class SystemObjectPage extends WizardPage implements Listener, SelectionListener, KeyListener {
    public static final String copyright = "(c) Copyright AQUA Software 2008.";

    public IWorkbench workbench;
    public IStructuredSelection selection;
    private Table table;

    public SystemObjectPage(IWorkbench workbench, IStructuredSelection selection) {
        super("Page 1");
        setTitle("System objects");
        setDescription("Available system objects");
        this.workbench = workbench;
        this.selection = selection;
        setPageComplete(false);
    }

    /**
     * @see IDialogPage#createControl(Composite)
     */
    public void createControl(Composite parent) {

        // create the composite to hold the widgets
        Composite composite = new Composite(parent, SWT.NULL);

        // create the desired layout for this wizard page
        composite.setLayout(new FillLayout());
        final WikiExportWizard wizard = (WikiExportWizard) getWizard();

        table = new Table(composite, SWT.VIRTUAL | SWT.V_SCROLL | SWT.SINGLE);
        table.setItemCount(wizard.exportModel.getObjects().size());
        table.addListener(SWT.SetData, new Listener() {
            public void handleEvent(Event event) {
                TableItem item = (TableItem) event.item;
                int index = table.indexOf(item);
                item.setText(getMemberName(wizard.exportModel.getObjects().get(index)));
            }
        });
        table.addSelectionListener(this);
        table.addKeyListener(this);

        // Set the composite as the control for this page
        setControl(composite);
    }

    private static String getMemberName(IMember member) {
        String className = member.getElementName();
        String packageName = null;
        IJavaElement parent = member.getParent();
        while (parent != null) {
            if (parent instanceof IPackageFragment) {
                packageName = parent.getElementName();
                break;
            }
            parent = parent.getParent();
        }
        if (packageName == null) {
            return className;
        }

        // Build the name for easy sorting
        return className + " - " + packageName + "." + className;
    }

    /**
     * @see Listener#handleEvent(Event)
     */
    public void handleEvent(Event event) {
        getWizard().getContainer().updateButtons();
    }

    @Override
    public void widgetDefaultSelected(SelectionEvent e) {
    }

    @Override
    public void widgetSelected(SelectionEvent e) {
        int currentSelection = table.getSelectionIndex();
        ((WikiExportWizard) getWizard()).exportModel
                .setSelectedMember(((WikiExportWizard) getWizard()).exportModel.getObjects().get(currentSelection));
        setPageComplete(true);
    }

    @Override
    public void keyPressed(KeyEvent e) {
        WikiExportWizard wizard = (WikiExportWizard) getWizard();
        int index = wizard.exportModel.getObjectByLetter("" + e.character);
        if (index != -1) {
            table.setSelection(index);
            wizard.exportModel.setSelectedMember(wizard.exportModel.getObjects().get(index));
        }
    }

    @Override
    public void keyReleased(KeyEvent e) {
    }
}