org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/wizard/BugzillaAttachmentWizardPage.java - mylyn/org.eclipse.mylyn.tasks - Git at Google

 /*******************************************************************************
  * Copyright (c) 2010 Frank Becker 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:
  *     Frank Becker - initial API and implementation
  *     Tasktop Technologies - improvements
  *******************************************************************************/

 package org.eclipse.mylyn.internal.bugzilla.ui.wizard;

 import java.net.MalformedURLException;
 import java.net.URL;
 import java.text.MessageFormat;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.mylyn.internal.bugzilla.core.BugzillaAttribute;
 import org.eclipse.mylyn.internal.bugzilla.ui.BugzillaUiPlugin;
 import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
 import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
 import org.eclipse.mylyn.tasks.ui.editors.AttributeEditorFactory;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.forms.events.ExpansionAdapter;
 import org.eclipse.ui.forms.events.ExpansionEvent;
 import org.eclipse.ui.forms.widgets.ExpandableComposite;
 import org.eclipse.ui.forms.widgets.FormToolkit;

 /**
  * @author Frank Becker
  * @author Steffen Pingel
  */
 public class BugzillaAttachmentWizardPage extends WizardPage {

 	private static final String PAGE_NAME = "AttachmentDetailPage"; //$NON-NLS-1$

 	private static final String DIALOG_SETTING_RUN_IN_BACKGROUND = "run-in-background"; //$NON-NLS-1$

 	private static final String DIALOG_SETTING_ADVANCED_EXPANDED = "advanced-expanded"; //$NON-NLS-1$

 	private final AttributeEditorFactory factory;

 	private final TaskAttribute attachmentAttribute;

 	private FormToolkit toolkit;

 	private static final int LABEL_WIDTH = 120;

 	private static final int COLUMN_GAP = 5;

 	private static final int MULTI_ROW_HEIGHT = 55;

 	private static final int COLUMN_WIDTH = 100;

 	private static final int MULTI_COLUMN_WIDTH = COLUMN_WIDTH + 5 + COLUMN_GAP + LABEL_WIDTH + 5 + COLUMN_WIDTH;

 	private AbstractAttributeEditor commentEditor;

 	private ExpandableComposite advancedExpandComposite;

 	private Button runInBackgroundButton;

 	private int currentColumn = 1;

 	private final int columnCount = 4;

 	private final String repositoryLabel;

 	private boolean advancesExpanded;

 	public BugzillaAttachmentWizardPage(Shell parentShell, AttributeEditorFactory factory, String taskID,
 			TaskAttribute attachmentAttribute, String repositoryLabel) {
 		super(PAGE_NAME);
 		setTitle(Messages.BugzillaAttachmentWizardPage_Titel);
 		this.repositoryLabel = repositoryLabel;
 		this.attachmentAttribute = attachmentAttribute;
 		setDescription(MessageFormat.format(Messages.BugzillaAttachmentWizardPage_Description,
 				attachmentAttribute.getValue(), taskID, repositoryLabel));
 		setImageDescriptor(createImageDescriptor());
 		this.factory = factory;
 	}

 	private static ImageDescriptor createImageDescriptor() {
 		return ImageDescriptor.createFromURL(makeIconFileURL());
 	}

 	private static URL makeIconFileURL() {
 		URL baseURL = BugzillaUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$
 		if (baseURL == null) {
 			return null;
 		}
 		try {
 			return new URL(baseURL, "wizban/banner-attachment-update.gif"); //$NON-NLS-1$
 		} catch (MalformedURLException e) {
 			e.printStackTrace();
 		}
 		return null;
 	}

 	public void createControl(Composite parent) {
 		toolkit = new FormToolkit(parent.getDisplay());
 		final Composite pageArea = new Composite(parent, SWT.NONE);
 		pageArea.setBackground(parent.getBackground());
 		pageArea.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_LIST_FOREGROUND));
 		pageArea.setLayout(new GridLayout(columnCount, false));

 		createAttributeEditors(pageArea);
 		createAdvancedSection(pageArea);

 		createCommentEditor(pageArea);

 		// border for comment area
 		toolkit.paintBordersFor(pageArea);

 		runInBackgroundButton = new Button(pageArea, SWT.CHECK);
 		GridDataFactory.fillDefaults().indent(0, 10).span(4, 1).applyTo(runInBackgroundButton);
 		runInBackgroundButton.setText(Messages.BugzillaAttachmentWizardPage_RunInBackground);

 		setControl(pageArea);
 		Dialog.applyDialogFont(pageArea);
 		IDialogSettings settings = BugzillaUiPlugin.getDefault().getDialogSettings();
 		IDialogSettings attachmentsSettings = settings.getSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
 				+ repositoryLabel);
 		advancesExpanded = false;
 		if (attachmentsSettings != null) {
 			runInBackgroundButton.setSelection(attachmentsSettings.getBoolean(DIALOG_SETTING_RUN_IN_BACKGROUND));
 			try {
 				advancesExpanded = attachmentsSettings.getBoolean(DIALOG_SETTING_ADVANCED_EXPANDED);
 			} catch (Exception e) {
 				// ignore
 			}

 		}
 		if (advancedExpandComposite != null) {
 			advancedExpandComposite.setExpanded(advancesExpanded);
 		}
 	}

 	private void createAttributeEditor(TaskAttribute attribute, Composite attributeArea) {
 		String type = attribute.getMetaData().getType();
 		if (type != null) {
 			AbstractAttributeEditor editor = factory.createEditor(type, attribute);
 			if (attribute.getId().equals(BugzillaAttribute.TOKEN.getKey())
 					|| attribute.getId().equals("size") || attribute.getId().equals(TaskAttribute.ATTACHMENT_URL)) { //$NON-NLS-1$
 				editor.setReadOnly(true);
 			} else {
 				editor.setReadOnly(false);
 			}
 			if (editor.hasLabel()
 					&& (!TaskAttribute.ATTACHMENT_IS_PATCH.equals(attribute.getId()) && !TaskAttribute.ATTACHMENT_IS_DEPRECATED.equals(attribute.getId()))) {
 				editor.createLabelControl(attributeArea, toolkit);
 				Label label = editor.getLabelControl();
 				label.setBackground(attributeArea.getBackground());
 				label.setForeground(attributeArea.getForeground());

 				String labelString = editor.getLabel();
 				if (labelString != null && !labelString.equals("")) { //$NON-NLS-1$
 					GridData gd = GridDataFactory.fillDefaults()
 							.align(SWT.RIGHT, SWT.CENTER)
 							.hint(LABEL_WIDTH, SWT.DEFAULT)
 							.create();
 					if (currentColumn > 1) {
 						gd.horizontalIndent = COLUMN_GAP;
 						gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
 					}
 					label.setLayoutData(gd);
 					currentColumn++;
 				}
 			}
 			editor.createControl(attributeArea, toolkit);

 			// avoid borders for read-only fields
 			editor.getControl().setData(FormToolkit.KEY_DRAW_BORDER, Boolean.FALSE);

 			GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
 			if (BugzillaAttribute.CTYPE.getKey().equals(attribute.getId())) {
 				gd.horizontalSpan = 1;
 				gd.widthHint = LABEL_WIDTH;
 				gd.grabExcessHorizontalSpace = true;
 			} else if (TaskAttribute.ATTACHMENT_IS_PATCH.equals(attribute.getId())
 					|| TaskAttribute.ATTACHMENT_IS_DEPRECATED.equals(attribute.getId())) {
 				gd.horizontalSpan = 1;
 			} else if (TaskAttribute.ATTACHMENT_CONTENT_TYPE.equals(attribute.getId())) {
 				gd.horizontalSpan = 2;
 			} else if (type.equals(TaskAttribute.TYPE_BOOLEAN) || type.equals(TaskAttribute.TYPE_SHORT_TEXT)) {
 				gd.horizontalSpan = 3;
 			} else if (type.equals(TaskAttribute.TYPE_URL)) {
 				gd.horizontalSpan = 3;
 				gd.grabExcessHorizontalSpace = true;
 			} else {
 				gd.horizontalSpan = 1;
 			}
 			editor.getControl().setLayoutData(gd);
 			editor.getControl().setBackground(attributeArea.getBackground());
 			editor.getControl().setForeground(attributeArea.getForeground());
 			currentColumn += gd.horizontalSpan;
 			currentColumn %= columnCount;
 		}
 	}

 	private void createAttributeEditors(Composite attributeArea) {
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_DESCRIPTION),
 				attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_FILENAME), attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_SIZE), attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_CONTENT_TYPE),
 				attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_IS_PATCH), attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_IS_DEPRECATED),
 				attributeArea);
 		createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_URL), attributeArea);
 	}

 	private void createCommentEditor(Composite attributeArea) {
 		TaskAttribute commentAttribute = attachmentAttribute.getAttribute("comment"); //$NON-NLS-1$
 		if (commentAttribute == null) {
 			return;
 		}
 		String type = commentAttribute.getMetaData().getType();
 		if (type != null) {
 			commentEditor = factory.createEditor(type, commentAttribute);
 			String labelString = commentEditor.getLabel();
 			if (commentEditor.hasLabel()) {
 				commentEditor.createLabelControl(attributeArea, toolkit);
 				if (commentEditor.getLabelControl() != null) {
 					Label label = commentEditor.getLabelControl();
 					label.setBackground(attributeArea.getBackground());
 					label.setForeground(attributeArea.getForeground());
 					GridDataFactory.fillDefaults()
 							.indent(0, 10)
 							.align(SWT.RIGHT, SWT.TOP)
 							.hint(LABEL_WIDTH, SWT.DEFAULT)
 							.applyTo(label);
 				}
 			}
 			commentEditor.createControl(attributeArea, toolkit);
 			commentEditor.getControl().setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TEXT_BORDER);
 			GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 			gd.heightHint = MULTI_ROW_HEIGHT;
 			gd.widthHint = MULTI_COLUMN_WIDTH;
 			gd.horizontalSpan = (commentEditor.getLabelControl() != null) ? 3 : 4;
 			gd.verticalIndent = 10;
 			commentEditor.getControl().setLayoutData(gd);
 			commentEditor.getControl().setForeground(attributeArea.getForeground());
 		}
 	}

 	private void createAdvancedSection(final Composite container) {
 		boolean flagFound = false;
 		for (TaskAttribute attribute : attachmentAttribute.getAttributes().values()) {
 			if (!attribute.getId().startsWith("task.common.kind.flag")) { //$NON-NLS-1$
 				continue;
 			}
 			flagFound = true;
 			break;
 		}
 		if (!flagFound) {
 			return;
 		}
 		advancedExpandComposite = toolkit.createExpandableComposite(container, ExpandableComposite.COMPACT
 				| ExpandableComposite.TWISTIE | ExpandableComposite.TITLE_BAR);
 		advancedExpandComposite.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT));
 		advancedExpandComposite.setBackground(container.getBackground());
 		advancedExpandComposite.setText(Messages.BugzillaAttachmentWizardPage_Advanced);
 		advancedExpandComposite.setLayout(new GridLayout(4, false));
 		GridDataFactory.fillDefaults()
 				.indent(-6, 0)
 				.grab(true, false)
 				.span(4, SWT.DEFAULT)
 				.applyTo(advancedExpandComposite);

 		advancedExpandComposite.addExpansionListener(new ExpansionAdapter() {
 			@Override
 			public void expansionStateChanged(ExpansionEvent e) {
 				container.layout();
 				container.redraw();
 			}
 		});
 		Composite advancedBodyComposite = new Composite(advancedExpandComposite, SWT.NONE);
 		GridLayoutFactory.fillDefaults().margins(0, 0).numColumns(2).applyTo(advancedBodyComposite);
 		advancedBodyComposite.setBackground(container.getBackground());
 		createFlagEditors(2, advancedBodyComposite);
 		advancedExpandComposite.setClient(advancedBodyComposite);
 	}

 	private void createFlagEditors(int columnCount, Composite flagBodyComposite) {
 		int currentFlagColumn = 1;

 		for (TaskAttribute attribute : attachmentAttribute.getAttributes().values()) {
 			if (!attribute.getId().startsWith("task.common.kind.flag")) { //$NON-NLS-1$
 				continue;
 			}
 			String type = attribute.getMetaData().getType();
 			if (type != null) {
 				AbstractAttributeEditor editor = factory.createEditor(type, attribute);

 				if (editor.hasLabel()) {
 					editor.createLabelControl(flagBodyComposite, toolkit);
 					Label label = editor.getLabelControl();
 					label.setBackground(flagBodyComposite.getBackground());
 					label.setForeground(flagBodyComposite.getForeground());

 					GridData gd = GridDataFactory.fillDefaults()
 							.align(SWT.RIGHT, SWT.CENTER)
 							.hint(LABEL_WIDTH - (4 * COLUMN_GAP), SWT.DEFAULT)
 							.create();
 					if (currentFlagColumn > 1) {
 						gd.horizontalIndent = COLUMN_GAP;
 						gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
 					} else {
 						gd.horizontalIndent = COLUMN_GAP * 3;
 					}
 					label.setLayoutData(gd);
 					currentFlagColumn++;
 				}
 				editor.createControl(flagBodyComposite, toolkit);
 				GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
 				gd.widthHint = MULTI_COLUMN_WIDTH;//COLUMN_WIDTH;
 				editor.getControl().setLayoutData(gd);
 				currentFlagColumn += gd.horizontalSpan;
 				currentFlagColumn %= columnCount;
 				editor.getControl().setBackground(flagBodyComposite.getBackground());
 				editor.getControl().setForeground(flagBodyComposite.getForeground());
 			}
 		}
 	}

 	@Override
 	public void dispose() {
 		IDialogSettings settings = BugzillaUiPlugin.getDefault().getDialogSettings();
 		IDialogSettings attachmentsSettings = settings.getSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
 				+ repositoryLabel);
 		if (attachmentsSettings == null) {
 			attachmentsSettings = settings.addNewSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
 					+ repositoryLabel);
 		}
 		attachmentsSettings.put(DIALOG_SETTING_RUN_IN_BACKGROUND, runInBackgroundButton.getSelection());
 		if (advancedExpandComposite != null) {
 			attachmentsSettings.put(DIALOG_SETTING_ADVANCED_EXPANDED, advancedExpandComposite.isExpanded());
 		} else {
 			attachmentsSettings.put(DIALOG_SETTING_ADVANCED_EXPANDED, advancesExpanded);
 		}
 		super.dispose();
 	}

 	public boolean runInBackground() {
 		return runInBackgroundButton.getSelection();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2010 Frank Becker 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:
	* Frank Becker - initial API and implementation
	* Tasktop Technologies - improvements
	*******************************************************************************/

	package org.eclipse.mylyn.internal.bugzilla.ui.wizard;

	import java.net.MalformedURLException;
	import java.net.URL;
	import java.text.MessageFormat;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.jface.layout.GridLayoutFactory;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.mylyn.internal.bugzilla.core.BugzillaAttribute;
	import org.eclipse.mylyn.internal.bugzilla.ui.BugzillaUiPlugin;
	import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
	import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
	import org.eclipse.mylyn.tasks.ui.editors.AttributeEditorFactory;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.forms.events.ExpansionAdapter;
	import org.eclipse.ui.forms.events.ExpansionEvent;
	import org.eclipse.ui.forms.widgets.ExpandableComposite;
	import org.eclipse.ui.forms.widgets.FormToolkit;

	/**
	* @author Frank Becker
	* @author Steffen Pingel
	*/
	public class BugzillaAttachmentWizardPage extends WizardPage {

	private static final String PAGE_NAME = "AttachmentDetailPage"; //$NON-NLS-1$

	private static final String DIALOG_SETTING_RUN_IN_BACKGROUND = "run-in-background"; //$NON-NLS-1$

	private static final String DIALOG_SETTING_ADVANCED_EXPANDED = "advanced-expanded"; //$NON-NLS-1$

	private final AttributeEditorFactory factory;

	private final TaskAttribute attachmentAttribute;

	private FormToolkit toolkit;

	private static final int LABEL_WIDTH = 120;

	private static final int COLUMN_GAP = 5;

	private static final int MULTI_ROW_HEIGHT = 55;

	private static final int COLUMN_WIDTH = 100;

	private static final int MULTI_COLUMN_WIDTH = COLUMN_WIDTH + 5 + COLUMN_GAP + LABEL_WIDTH + 5 + COLUMN_WIDTH;

	private AbstractAttributeEditor commentEditor;

	private ExpandableComposite advancedExpandComposite;

	private Button runInBackgroundButton;

	private int currentColumn = 1;

	private final int columnCount = 4;

	private final String repositoryLabel;

	private boolean advancesExpanded;

	public BugzillaAttachmentWizardPage(Shell parentShell, AttributeEditorFactory factory, String taskID,
	TaskAttribute attachmentAttribute, String repositoryLabel) {
	super(PAGE_NAME);
	setTitle(Messages.BugzillaAttachmentWizardPage_Titel);
	this.repositoryLabel = repositoryLabel;
	this.attachmentAttribute = attachmentAttribute;
	setDescription(MessageFormat.format(Messages.BugzillaAttachmentWizardPage_Description,
	attachmentAttribute.getValue(), taskID, repositoryLabel));
	setImageDescriptor(createImageDescriptor());
	this.factory = factory;
	}

	private static ImageDescriptor createImageDescriptor() {
	return ImageDescriptor.createFromURL(makeIconFileURL());
	}

	private static URL makeIconFileURL() {
	URL baseURL = BugzillaUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$
	if (baseURL == null) {
	return null;
	}
	try {
	return new URL(baseURL, "wizban/banner-attachment-update.gif"); //$NON-NLS-1$
	} catch (MalformedURLException e) {
	e.printStackTrace();
	}
	return null;
	}

	public void createControl(Composite parent) {
	toolkit = new FormToolkit(parent.getDisplay());
	final Composite pageArea = new Composite(parent, SWT.NONE);
	pageArea.setBackground(parent.getBackground());
	pageArea.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_LIST_FOREGROUND));
	pageArea.setLayout(new GridLayout(columnCount, false));

	createAttributeEditors(pageArea);
	createAdvancedSection(pageArea);

	createCommentEditor(pageArea);

	// border for comment area
	toolkit.paintBordersFor(pageArea);

	runInBackgroundButton = new Button(pageArea, SWT.CHECK);
	GridDataFactory.fillDefaults().indent(0, 10).span(4, 1).applyTo(runInBackgroundButton);
	runInBackgroundButton.setText(Messages.BugzillaAttachmentWizardPage_RunInBackground);

	setControl(pageArea);
	Dialog.applyDialogFont(pageArea);
	IDialogSettings settings = BugzillaUiPlugin.getDefault().getDialogSettings();
	IDialogSettings attachmentsSettings = settings.getSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
	+ repositoryLabel);
	advancesExpanded = false;
	if (attachmentsSettings != null) {
	runInBackgroundButton.setSelection(attachmentsSettings.getBoolean(DIALOG_SETTING_RUN_IN_BACKGROUND));
	try {
	advancesExpanded = attachmentsSettings.getBoolean(DIALOG_SETTING_ADVANCED_EXPANDED);
	} catch (Exception e) {
	// ignore
	}

	}
	if (advancedExpandComposite != null) {
	advancedExpandComposite.setExpanded(advancesExpanded);
	}
	}

	private void createAttributeEditor(TaskAttribute attribute, Composite attributeArea) {
	String type = attribute.getMetaData().getType();
	if (type != null) {
	AbstractAttributeEditor editor = factory.createEditor(type, attribute);
	if (attribute.getId().equals(BugzillaAttribute.TOKEN.getKey())
	\|\| attribute.getId().equals("size") \|\| attribute.getId().equals(TaskAttribute.ATTACHMENT_URL)) { //$NON-NLS-1$
	editor.setReadOnly(true);
	} else {
	editor.setReadOnly(false);
	}
	if (editor.hasLabel()
	&& (!TaskAttribute.ATTACHMENT_IS_PATCH.equals(attribute.getId()) && !TaskAttribute.ATTACHMENT_IS_DEPRECATED.equals(attribute.getId()))) {
	editor.createLabelControl(attributeArea, toolkit);
	Label label = editor.getLabelControl();
	label.setBackground(attributeArea.getBackground());
	label.setForeground(attributeArea.getForeground());

	String labelString = editor.getLabel();
	if (labelString != null && !labelString.equals("")) { //$NON-NLS-1$
	GridData gd = GridDataFactory.fillDefaults()
	.align(SWT.RIGHT, SWT.CENTER)
	.hint(LABEL_WIDTH, SWT.DEFAULT)
	.create();
	if (currentColumn > 1) {
	gd.horizontalIndent = COLUMN_GAP;
	gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
	}
	label.setLayoutData(gd);
	currentColumn++;
	}
	}
	editor.createControl(attributeArea, toolkit);

	// avoid borders for read-only fields
	editor.getControl().setData(FormToolkit.KEY_DRAW_BORDER, Boolean.FALSE);

	GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
	if (BugzillaAttribute.CTYPE.getKey().equals(attribute.getId())) {
	gd.horizontalSpan = 1;
	gd.widthHint = LABEL_WIDTH;
	gd.grabExcessHorizontalSpace = true;
	} else if (TaskAttribute.ATTACHMENT_IS_PATCH.equals(attribute.getId())
	\|\| TaskAttribute.ATTACHMENT_IS_DEPRECATED.equals(attribute.getId())) {
	gd.horizontalSpan = 1;
	} else if (TaskAttribute.ATTACHMENT_CONTENT_TYPE.equals(attribute.getId())) {
	gd.horizontalSpan = 2;
	} else if (type.equals(TaskAttribute.TYPE_BOOLEAN) \|\| type.equals(TaskAttribute.TYPE_SHORT_TEXT)) {
	gd.horizontalSpan = 3;
	} else if (type.equals(TaskAttribute.TYPE_URL)) {
	gd.horizontalSpan = 3;
	gd.grabExcessHorizontalSpace = true;
	} else {
	gd.horizontalSpan = 1;
	}
	editor.getControl().setLayoutData(gd);
	editor.getControl().setBackground(attributeArea.getBackground());
	editor.getControl().setForeground(attributeArea.getForeground());
	currentColumn += gd.horizontalSpan;
	currentColumn %= columnCount;
	}
	}

	private void createAttributeEditors(Composite attributeArea) {
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_DESCRIPTION),
	attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_FILENAME), attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_SIZE), attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_CONTENT_TYPE),
	attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_IS_PATCH), attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_IS_DEPRECATED),
	attributeArea);
	createAttributeEditor(attachmentAttribute.getMappedAttribute(TaskAttribute.ATTACHMENT_URL), attributeArea);
	}

	private void createCommentEditor(Composite attributeArea) {
	TaskAttribute commentAttribute = attachmentAttribute.getAttribute("comment"); //$NON-NLS-1$
	if (commentAttribute == null) {
	return;
	}
	String type = commentAttribute.getMetaData().getType();
	if (type != null) {
	commentEditor = factory.createEditor(type, commentAttribute);
	String labelString = commentEditor.getLabel();
	if (commentEditor.hasLabel()) {
	commentEditor.createLabelControl(attributeArea, toolkit);
	if (commentEditor.getLabelControl() != null) {
	Label label = commentEditor.getLabelControl();
	label.setBackground(attributeArea.getBackground());
	label.setForeground(attributeArea.getForeground());
	GridDataFactory.fillDefaults()
	.indent(0, 10)
	.align(SWT.RIGHT, SWT.TOP)
	.hint(LABEL_WIDTH, SWT.DEFAULT)
	.applyTo(label);
	}
	}
	commentEditor.createControl(attributeArea, toolkit);
	commentEditor.getControl().setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TEXT_BORDER);
	GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
	gd.heightHint = MULTI_ROW_HEIGHT;
	gd.widthHint = MULTI_COLUMN_WIDTH;
	gd.horizontalSpan = (commentEditor.getLabelControl() != null) ? 3 : 4;
	gd.verticalIndent = 10;
	commentEditor.getControl().setLayoutData(gd);
	commentEditor.getControl().setForeground(attributeArea.getForeground());
	}
	}

	private void createAdvancedSection(final Composite container) {
	boolean flagFound = false;
	for (TaskAttribute attribute : attachmentAttribute.getAttributes().values()) {
	if (!attribute.getId().startsWith("task.common.kind.flag")) { //$NON-NLS-1$
	continue;
	}
	flagFound = true;
	break;
	}
	if (!flagFound) {
	return;
	}
	advancedExpandComposite = toolkit.createExpandableComposite(container, ExpandableComposite.COMPACT
	\| ExpandableComposite.TWISTIE \| ExpandableComposite.TITLE_BAR);
	advancedExpandComposite.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT));
	advancedExpandComposite.setBackground(container.getBackground());
	advancedExpandComposite.setText(Messages.BugzillaAttachmentWizardPage_Advanced);
	advancedExpandComposite.setLayout(new GridLayout(4, false));
	GridDataFactory.fillDefaults()
	.indent(-6, 0)
	.grab(true, false)
	.span(4, SWT.DEFAULT)
	.applyTo(advancedExpandComposite);

	advancedExpandComposite.addExpansionListener(new ExpansionAdapter() {
	@Override
	public void expansionStateChanged(ExpansionEvent e) {
	container.layout();
	container.redraw();
	}
	});
	Composite advancedBodyComposite = new Composite(advancedExpandComposite, SWT.NONE);
	GridLayoutFactory.fillDefaults().margins(0, 0).numColumns(2).applyTo(advancedBodyComposite);
	advancedBodyComposite.setBackground(container.getBackground());
	createFlagEditors(2, advancedBodyComposite);
	advancedExpandComposite.setClient(advancedBodyComposite);
	}

	private void createFlagEditors(int columnCount, Composite flagBodyComposite) {
	int currentFlagColumn = 1;

	for (TaskAttribute attribute : attachmentAttribute.getAttributes().values()) {
	if (!attribute.getId().startsWith("task.common.kind.flag")) { //$NON-NLS-1$
	continue;
	}
	String type = attribute.getMetaData().getType();
	if (type != null) {
	AbstractAttributeEditor editor = factory.createEditor(type, attribute);

	if (editor.hasLabel()) {
	editor.createLabelControl(flagBodyComposite, toolkit);
	Label label = editor.getLabelControl();
	label.setBackground(flagBodyComposite.getBackground());
	label.setForeground(flagBodyComposite.getForeground());

	GridData gd = GridDataFactory.fillDefaults()
	.align(SWT.RIGHT, SWT.CENTER)
	.hint(LABEL_WIDTH - (4 * COLUMN_GAP), SWT.DEFAULT)
	.create();
	if (currentFlagColumn > 1) {
	gd.horizontalIndent = COLUMN_GAP;
	gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
	} else {
	gd.horizontalIndent = COLUMN_GAP * 3;
	}
	label.setLayoutData(gd);
	currentFlagColumn++;
	}
	editor.createControl(flagBodyComposite, toolkit);
	GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
	gd.widthHint = MULTI_COLUMN_WIDTH;//COLUMN_WIDTH;
	editor.getControl().setLayoutData(gd);
	currentFlagColumn += gd.horizontalSpan;
	currentFlagColumn %= columnCount;
	editor.getControl().setBackground(flagBodyComposite.getBackground());
	editor.getControl().setForeground(flagBodyComposite.getForeground());
	}
	}
	}

	@Override
	public void dispose() {
	IDialogSettings settings = BugzillaUiPlugin.getDefault().getDialogSettings();
	IDialogSettings attachmentsSettings = settings.getSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
	+ repositoryLabel);
	if (attachmentsSettings == null) {
	attachmentsSettings = settings.addNewSection(BugzillaUiPlugin.ATTACHMENT_WIZARD_SETTINGS_SECTION
	+ repositoryLabel);
	}
	attachmentsSettings.put(DIALOG_SETTING_RUN_IN_BACKGROUND, runInBackgroundButton.getSelection());
	if (advancedExpandComposite != null) {
	attachmentsSettings.put(DIALOG_SETTING_ADVANCED_EXPANDED, advancedExpandComposite.isExpanded());
	} else {
	attachmentsSettings.put(DIALOG_SETTING_ADVANCED_EXPANDED, advancesExpanded);
	}
	super.dispose();
	}

	public boolean runInBackground() {
	return runInBackgroundButton.getSelection();
	}

	}