update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/forms/MainForm.java

package org.eclipse.update.internal.ui.forms;
/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
import org.eclipse.update.internal.ui.pages.*;
import org.eclipse.update.internal.ui.parts.*;
import org.eclipse.update.internal.ui.views.*;
import org.eclipse.update.internal.ui.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.update.ui.forms.internal.*;
import org.eclipse.swt.layout.*;
import org.eclipse.ui.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.update.ui.forms.internal.engine.*;

public class MainForm extends UpdateWebForm {
private static final String KEY_TITLE = "HomePage.title";
private static final String KEY_UPDATES_TITLE = "HomePage.updates.title";
private static final String KEY_UPDATES_DESC = "HomePage.updates.desc";
private static final String KEY_INSTALLS_TITLE = "HomePage.installs.title";
private static final String KEY_INSTALLS_DESC = "HomePage.installs.desc";
private static final String KEY_UNINSTALLS_TITLE = "HomePage.uninstalls.title";
private static final String KEY_UNINSTALLS_DESC = "HomePage.uninstals.desc";
private static final String KEY_HISTORY_TITLE = "HomePage.history.title";
private static final String KEY_HISTORY_DESC = "HomePage.history.desc";

	Image itemImage;
	Image myEclipseImage;
	Image sitesImage;
	
public MainForm(UpdateFormPage page) {
	super(page);
	itemImage = UpdateUIPluginImages.DESC_ITEM.createImage();
	myEclipseImage = UpdateUIPluginImages.DESC_CONFIGS_VIEW.createImage();
	sitesImage = UpdateUIPluginImages.DESC_SITES_VIEW.createImage();
}

public void dispose() {
	itemImage.dispose();
	myEclipseImage.dispose();
	sitesImage.dispose();
	super.dispose();
}

public void initialize(Object modelObject) {
	setHeadingText(UpdateUIPlugin.getResourceString(KEY_TITLE));
	super.initialize(modelObject);
}

protected int getNumColumns() {
	return 1;
}

protected void createContents(Composite parent) {
	HTMLTableLayout layout = new HTMLTableLayout();
	parent.setLayout(layout);
	layout.leftMargin = layout.rightMargin = 10;
	layout.topMargin = 15;
	layout.horizontalSpacing = 5;
	layout.verticalSpacing = 0;
	layout.numColumns = 2;
	
	FormWidgetFactory factory = getFactory();
	
	Label topicImage;
	Label topic;
	FormEngine text;
	HyperlinkAction action;
	
	String topicColorId = "mainPage.topicColor";
	Color topicColor = factory.registerColor(topicColorId, 91, 120, 172);

	action = new HyperlinkAction() {
		public void linkActivated(IHyperlinkSegment link) {
			UpdatesView view = (UpdatesView)showView(UpdatePerspective.ID_UPDATES);
			if (view!=null)
				view.selectUpdateObject();
		}
	};
	topicImage = factory.createLabel(parent, null);
	topicImage.setImage(itemImage);
	topic = factory.createHeadingLabel(parent, UpdateUIPlugin.getResourceString(KEY_UPDATES_TITLE), SWT.WRAP);
	topic.setForeground(topicColor);
	factory.createLabel(parent, null);	
	text =factory.createFormEngine(parent);
	setFocusControl(text);
	text.load(UpdateUIPlugin.getResourceString(KEY_UPDATES_DESC), true, false);
	text.registerTextObject("action1", action);
	text.registerTextObject("image1", myEclipseImage);
	TableData td = new TableData();
	td.grabHorizontal=true;
	text.setLayoutData(td);
	
	addSeparator(parent);
	
	action = new HyperlinkAction() {
		public void linkActivated(IHyperlinkSegment link) {
			showView(UpdatePerspective.ID_UPDATES);
		}
	};
	topicImage = factory.createLabel(parent, null);
	topicImage.setImage(itemImage);
	topic = factory.createHeadingLabel(parent, UpdateUIPlugin.getResourceString(KEY_INSTALLS_TITLE), SWT.WRAP);
	topic.setForeground(topicColor);
	factory.createLabel(parent, null);	
	text = factory.createFormEngine(parent);
	text.load(UpdateUIPlugin.getResourceString(KEY_INSTALLS_DESC), true, false);
	text.registerTextObject("action1", action);
	text.registerTextObject("image1", sitesImage);
	td = new TableData();
	td.grabHorizontal=true;
	text.setLayoutData(td);
	addSeparator(parent);
	
	action = new HyperlinkAction() {
		public void linkActivated(IHyperlinkSegment link) {
			ConfigurationView view = (ConfigurationView)showView(UpdatePerspective.ID_CONFIGURATION);
			if (view!=null)
				view.selectCurrentConfiguration();
		}
	};
	topicImage = factory.createLabel(parent, null);
	topicImage.setImage(itemImage);
	topic = factory.createHeadingLabel(parent, UpdateUIPlugin.getResourceString(KEY_UNINSTALLS_TITLE), SWT.WRAP);
	topic.setForeground(topicColor);
	factory.createLabel(parent, null);		
	text = factory.createFormEngine(parent);
	text.load(UpdateUIPlugin.getResourceString(KEY_UNINSTALLS_DESC), true, false);
	text.registerTextObject("action1", action);
	text.registerTextObject("image1", myEclipseImage);
	td = new TableData();
	td.grabHorizontal=true;
	text.setLayoutData(td);
	
	addSeparator(parent);

	action = new HyperlinkAction() {
		public void linkActivated(IHyperlinkSegment link) {
			ConfigurationView view = (ConfigurationView)showView(UpdatePerspective.ID_CONFIGURATION);
			if (view!=null) view.selectHistoryFolder();
		}
	};
	topicImage = factory.createLabel(parent, null);
	topicImage.setImage(itemImage);
	topic = factory.createHeadingLabel(parent, UpdateUIPlugin.getResourceString(KEY_HISTORY_TITLE), SWT.WRAP);
	topic.setForeground(topicColor);
	factory.createLabel(parent, null);	
	text = factory.createFormEngine(parent);
	text.load(UpdateUIPlugin.getResourceString(KEY_HISTORY_DESC), true, false);
	text.registerTextObject("action1", action);
	td = new TableData();
	td.grabHorizontal=true;
	text.setLayoutData(td);
}

private void addSeparator(Composite parent) {
	Label label = new Label(parent, SWT.NULL);
	TableData td = new TableData();
	td.colspan = 2;
	label.setLayoutData(td);
}

private IViewPart showView(String viewId) {
	try {
		IViewPart part = UpdateUIPlugin.getActivePage().showView(viewId);
		return part;
	}
	catch (PartInitException e) {
		return null;
	}
}
}