com.siteview.mde.internal.ui.properties.CompilersPropertyPage.java Source code

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Here is the source code for com.siteview.mde.internal.ui.properties.CompilersPropertyPage.java

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/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package com.siteview.mde.internal.ui.properties;

import java.util.HashMap;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.dialogs.Dialog;
import com.siteview.mde.internal.ui.*;
import com.siteview.mde.internal.ui.preferences.CompilersPreferencePage;
import com.siteview.mde.internal.ui.preferences.PDECompilersConfigurationBlock;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

/**
 * The PDE manifest compiler options property page for plugin projects
 */
public class CompilersPropertyPage extends PropertyPage {

    /**
     * The data map passed when showing the page
     */
    private HashMap fPageData = null;

    /**
     * The control block 
     */
    private PDECompilersConfigurationBlock fBlock = null;

    /**
     * If project specific settings are being used or not
     */
    private Button fProjectSpecific = null;

    /**
     * A link to configure workspace settings
     */
    private Link fWorkspaceLink = null;

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
     */
    protected Control createContents(Composite parent) {
        Composite comp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_BOTH, 0, 0);
        Composite tcomp = SWTFactory.createComposite(comp, 2, 1, GridData.FILL_HORIZONTAL, 0, 0);
        fProjectSpecific = new Button(tcomp, SWT.CHECK);
        fProjectSpecific.setLayoutData(new GridData(SWT.BEGINNING, SWT.TOP, true, false));
        fProjectSpecific.setText(MDEUIMessages.CompilersPropertyPage_useprojectsettings_label);
        fProjectSpecific.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                boolean psp = fProjectSpecific.getSelection();
                fBlock.useProjectSpecificSettings(psp);
                if (fWorkspaceLink != null) {
                    fWorkspaceLink.setEnabled(!psp);
                }
            }
        });

        if (offerLink()) {
            fWorkspaceLink = new Link(tcomp, SWT.NONE);
            fWorkspaceLink.setText(MDEUIMessages.CompilersPropertyPage_useworkspacesettings_change);
            fWorkspaceLink.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(SelectionEvent e) {
                    HashMap data = new HashMap();
                    data.put(CompilersPreferencePage.NO_LINK, Boolean.TRUE);
                    SWTFactory.showPreferencePage(getShell(), "com.siteview.mde.ui.CompilersPreferencePage", data); //$NON-NLS-1$
                }
            });
        }

        fBlock = new PDECompilersConfigurationBlock(getProject(), (IWorkbenchPreferenceContainer) getContainer());
        fBlock.createControl(comp);

        boolean ps = fBlock.hasProjectSpecificSettings(getProject());
        fProjectSpecific.setSelection(ps);
        fBlock.useProjectSpecificSettings(ps);
        if (fWorkspaceLink != null) {
            fWorkspaceLink.setEnabled(!ps);
        }
        PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IHelpContextIds.COMPILERS_PROPERTY_PAGE);
        Dialog.applyDialogFont(comp);
        return comp;
    }

    /**
     * @return the backing project for this property page
     */
    private IProject getProject() {
        return (IProject) getElement().getAdapter(IProject.class);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performCancel()
     */
    public boolean performCancel() {
        fBlock.performCancel();
        return super.performCancel();
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performOk()
     */
    public boolean performOk() {
        fBlock.performOK();
        return super.performOk();
    }

    /**
     * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
     */
    protected void performDefaults() {
        fBlock.performDefaults();
        super.performDefaults();
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performApply()
     */
    protected void performApply() {
        fBlock.performApply();
        super.performApply();
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.DialogPage#dispose()
     */
    public void dispose() {
        fBlock.dispose();
        super.dispose();
    }

    /**
     * @return true if the link should be shown, false otherwise
     */
    private boolean offerLink() {
        return fPageData == null || !Boolean.TRUE.equals(fPageData.get(CompilersPreferencePage.NO_LINK));
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#applyData(java.lang.Object)
     */
    public void applyData(Object data) {
        if (data instanceof HashMap) {
            fPageData = (HashMap) data;
            if (fWorkspaceLink != null) {
                fWorkspaceLink.setVisible(!Boolean.TRUE.equals(fPageData.get(CompilersPreferencePage.NO_LINK)));
            }
        }
    }
}