org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/tasks/ui/wizards/TaskAttachmentPage.java - mylyn/org.eclipse.mylyn.tasks - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2008 Jeff Pound 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:
  *     Jeff Pound - initial API and implementation
  *     Tasktop Technologies - improvements
  *******************************************************************************/

 package org.eclipse.mylyn.tasks.ui.wizards;

 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.mylyn.context.core.ContextCore;
 import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
 import org.eclipse.mylyn.internal.tasks.core.data.FileTaskAttachmentSource;
 import org.eclipse.mylyn.internal.tasks.ui.wizards.Messages;
 import org.eclipse.mylyn.tasks.core.data.TaskAttachmentMapper;
 import org.eclipse.mylyn.tasks.core.data.TaskAttachmentModel;
 import org.eclipse.mylyn.tasks.ui.TasksUiImages;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 /**
  * A wizard page to enter details of a new attachment.
  *
  * @author Jeff Pound
  * @author Mik Kersten
  * @author Steffen Pingel
  * @since 3.0
  */
 public class TaskAttachmentPage extends WizardPage {

 	private static List<String> contentTypes;

 	static {
 		contentTypes = new LinkedList<String>();
 		contentTypes.add("text/plain"); //$NON-NLS-1$
 		contentTypes.add("text/html"); //$NON-NLS-1$
 		contentTypes.add("application/xml"); //$NON-NLS-1$
 		contentTypes.add("image/gif"); //$NON-NLS-1$
 		contentTypes.add("image/jpeg"); //$NON-NLS-1$
 		contentTypes.add("image/png"); //$NON-NLS-1$
 		contentTypes.add(FileTaskAttachmentSource.APPLICATION_OCTET_STREAM);
 	}

 	private Button attachContextButton;

 	private Text commentText;

 	private Text descriptionText;

 	private Combo contentTypeList;

 	private Text fileNameText;

 	private Button isPatchButton;

 	private final TaskAttachmentModel model;

 	private boolean needsDescription;

 	private final TaskAttachmentMapper taskAttachment;

 	private boolean first = true;

 	public TaskAttachmentPage(TaskAttachmentModel model) {
 		super("AttachmentDetails"); //$NON-NLS-1$
 		this.model = model;
 		this.taskAttachment = TaskAttachmentMapper.createFrom(model.getAttribute());
 		setTitle(Messages.TaskAttachmentPage_Attachment_Details);
 		setNeedsDescription(true);
 	}

 	public void createControl(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 3;
 		composite.setLayout(gridLayout);
 		setControl(composite);

 		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		composite.setLayout(new GridLayout(3, false));

 		new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_File);
 		fileNameText = new Text(composite, SWT.BORDER);
 		fileNameText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

 		if (needsDescription) {
 			new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_Description);
 			descriptionText = new Text(composite, SWT.BORDER);
 			descriptionText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
 			descriptionText.addModifyListener(new ModifyListener() {
 				public void modifyText(ModifyEvent e) {
 					taskAttachment.setDescription(descriptionText.getText().trim());
 					validate();
 				}

 			});
 		}

 		Label label = new Label(composite, SWT.NONE);
 		label.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false));
 		label.setText(Messages.TaskAttachmentPage_Comment);
 		commentText = new Text(composite, SWT.V_SCROLL | SWT.BORDER | SWT.WRAP);
 		commentText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
 		commentText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				apply();
 			}

 		});

 		new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_Content_Type);// .setBackground(parent.getBackground());

 		contentTypeList = new Combo(composite, SWT.BORDER | SWT.DROP_DOWN | SWT.READ_ONLY);
 		contentTypeList.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
 		Iterator<String> iter = contentTypes.iterator();
 		int i = 0;
 		while (iter.hasNext()) {
 			String next = iter.next();
 			contentTypeList.add(next);
 			i++;
 		}

 		/* Update attachment on select content type */
 		contentTypeList.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent e) {
 				// ignore
 			}

 			public void widgetSelected(SelectionEvent e) {
 				taskAttachment.setContentType(contentTypeList.getItem(contentTypeList.getSelectionIndex()));
 				validate();
 			}
 		});
 		contentTypeList.select(0);
 		taskAttachment.setContentType(contentTypeList.getItem(0));

 		// TODO: is there a better way to pad?
 		new Label(composite, SWT.NONE);

 		isPatchButton = new Button(composite, SWT.CHECK);
 		isPatchButton.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
 		isPatchButton.setText(Messages.TaskAttachmentPage_Patch);

 		// TODO: is there a better way to pad?
 		new Label(composite, SWT.NONE);

 		attachContextButton = new Button(composite, SWT.CHECK);
 		attachContextButton.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
 		attachContextButton.setText(Messages.TaskAttachmentPage_ATTACHE_CONTEXT);
 		attachContextButton.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_ATTACH));
 		attachContextButton.setEnabled(ContextCore.getContextManager()
 				.hasContext(model.getTask().getHandleIdentifier()));

 		/*
 		 * Attachment file name listener, update the local attachment
 		 * accordingly
 		 */
 		fileNameText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				// determine type by extension
 				taskAttachment.setFileName(fileNameText.getText());
 				setContentTypeFromFilename(fileNameText.getText());
 				validate();
 			}
 		});

 		fileNameText.setText(taskAttachment.getFileName() == null ? "" : taskAttachment.getFileName()); //$NON-NLS-1$

 		/* Listener for isPatch */
 		isPatchButton.addSelectionListener(new SelectionAdapter() {
 			private int lastSelected;

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				taskAttachment.setPatch(isPatchButton.getSelection());
 				if (isPatchButton.getSelection()) {
 					lastSelected = contentTypeList.getSelectionIndex();
 					contentTypeList.select(0);
 					contentTypeList.setEnabled(false);
 					if (attachContextButton.isEnabled()) {
 						attachContextButton.setSelection(true);
 					}
 				} else {
 					contentTypeList.setEnabled(true);
 					contentTypeList.select(lastSelected);
 				}
 				validate();
 			}
 		});
 		attachContextButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				validate();
 			}
 		});

 		validate();
 		setErrorMessage(null);

 		if (descriptionText != null) {
 			descriptionText.setFocus();
 		} else {
 			commentText.setFocus();
 		}

 		Dialog.applyDialogFont(composite);
 	}

 	private void validate() {
 		apply();
 		if (fileNameText != null && "".equals(fileNameText.getText().trim())) { //$NON-NLS-1$
 			setMessage(Messages.TaskAttachmentPage_Enter_a_file_name);
 			setPageComplete(false);
 		} else if (descriptionText != null && "".equals(descriptionText.getText().trim())) { //$NON-NLS-1$
 			setMessage(Messages.TaskAttachmentPage_Enter_a_description);
 			setPageComplete(false);
 		} else {
 			setMessage(Messages.TaskAttachmentPage_Verify_the_content_type_of_the_attachment);
 			setPageComplete(true);
 		}
 	}

 	public TaskAttachmentModel getModel() {
 		return model;
 	}

 	private void apply() {
 		taskAttachment.applyTo(model.getAttribute());
 		model.setComment(commentText.getText());
 		model.setAttachContext(attachContextButton.getSelection());
 		model.setContentType(taskAttachment.getContentType());
 	}

 	private void setContentType(String contentType) {
 		String[] typeList = contentTypeList.getItems();
 		for (int i = 0; i < typeList.length; i++) {
 			if (typeList[i].equals(contentType)) {
 				contentTypeList.select(i);
 				taskAttachment.setContentType(contentType);
 				validate();
 				break;
 			}
 		}
 	}

 	private void setContentTypeFromFilename(String fileName) {
 		setContentType(FileTaskAttachmentSource.getContentTypeFromFilename(fileName));
 	}

 	private void setFilePath(String path) {
 		fileNameText.setText(path);
 		taskAttachment.setFileName(path);
 		if (path.endsWith(".patch")) { //$NON-NLS-1$
 			isPatchButton.setSelection(true);
 			taskAttachment.setPatch(true);
 			if (attachContextButton.isEnabled()) {
 				attachContextButton.setSelection(true);
 			}
 		}
 		validate();
 	}

 	public void setNeedsDescription(boolean supportsDescription) {
 		this.needsDescription = supportsDescription;
 	}

 	public boolean supportsDescription() {
 		return needsDescription;
 	}

 	@Override
 	public void setVisible(boolean visible) {
 		if (visible) {
 			if (fileNameText.getText().length() == 0) {
 				setFilePath(getModel().getSource().getName());
 				setContentType(getModel().getSource().getContentType());
 			}
 		}
 		super.setVisible(visible);
 		if (first) {
 			if (descriptionText != null) {
 				descriptionText.setFocus();
 			} else {
 				commentText.setFocus();
 			}
 			first = false;
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2004, 2008 Jeff Pound 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:
	* Jeff Pound - initial API and implementation
	* Tasktop Technologies - improvements
	*******************************************************************************/

	package org.eclipse.mylyn.tasks.ui.wizards;

	import java.util.Iterator;
	import java.util.LinkedList;
	import java.util.List;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.mylyn.context.core.ContextCore;
	import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
	import org.eclipse.mylyn.internal.tasks.core.data.FileTaskAttachmentSource;
	import org.eclipse.mylyn.internal.tasks.ui.wizards.Messages;
	import org.eclipse.mylyn.tasks.core.data.TaskAttachmentMapper;
	import org.eclipse.mylyn.tasks.core.data.TaskAttachmentModel;
	import org.eclipse.mylyn.tasks.ui.TasksUiImages;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	/**
	* A wizard page to enter details of a new attachment.
	*
	* @author Jeff Pound
	* @author Mik Kersten
	* @author Steffen Pingel
	* @since 3.0
	*/
	public class TaskAttachmentPage extends WizardPage {

	private static List<String> contentTypes;

	static {
	contentTypes = new LinkedList<String>();
	contentTypes.add("text/plain"); //$NON-NLS-1$
	contentTypes.add("text/html"); //$NON-NLS-1$
	contentTypes.add("application/xml"); //$NON-NLS-1$
	contentTypes.add("image/gif"); //$NON-NLS-1$
	contentTypes.add("image/jpeg"); //$NON-NLS-1$
	contentTypes.add("image/png"); //$NON-NLS-1$
	contentTypes.add(FileTaskAttachmentSource.APPLICATION_OCTET_STREAM);
	}

	private Button attachContextButton;

	private Text commentText;

	private Text descriptionText;

	private Combo contentTypeList;

	private Text fileNameText;

	private Button isPatchButton;

	private final TaskAttachmentModel model;

	private boolean needsDescription;

	private final TaskAttachmentMapper taskAttachment;

	private boolean first = true;

	public TaskAttachmentPage(TaskAttachmentModel model) {
	super("AttachmentDetails"); //$NON-NLS-1$
	this.model = model;
	this.taskAttachment = TaskAttachmentMapper.createFrom(model.getAttribute());
	setTitle(Messages.TaskAttachmentPage_Attachment_Details);
	setNeedsDescription(true);
	}

	public void createControl(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 3;
	composite.setLayout(gridLayout);
	setControl(composite);

	composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	composite.setLayout(new GridLayout(3, false));

	new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_File);
	fileNameText = new Text(composite, SWT.BORDER);
	fileNameText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

	if (needsDescription) {
	new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_Description);
	descriptionText = new Text(composite, SWT.BORDER);
	descriptionText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
	descriptionText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	taskAttachment.setDescription(descriptionText.getText().trim());
	validate();
	}

	});
	}

	Label label = new Label(composite, SWT.NONE);
	label.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false));
	label.setText(Messages.TaskAttachmentPage_Comment);
	commentText = new Text(composite, SWT.V_SCROLL \| SWT.BORDER \| SWT.WRAP);
	commentText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
	commentText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	apply();
	}

	});

	new Label(composite, SWT.NONE).setText(Messages.TaskAttachmentPage_Content_Type);// .setBackground(parent.getBackground());

	contentTypeList = new Combo(composite, SWT.BORDER \| SWT.DROP_DOWN \| SWT.READ_ONLY);
	contentTypeList.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
	Iterator<String> iter = contentTypes.iterator();
	int i = 0;
	while (iter.hasNext()) {
	String next = iter.next();
	contentTypeList.add(next);
	i++;
	}

	/* Update attachment on select content type */
	contentTypeList.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent e) {
	// ignore
	}

	public void widgetSelected(SelectionEvent e) {
	taskAttachment.setContentType(contentTypeList.getItem(contentTypeList.getSelectionIndex()));
	validate();
	}
	});
	contentTypeList.select(0);
	taskAttachment.setContentType(contentTypeList.getItem(0));

	// TODO: is there a better way to pad?
	new Label(composite, SWT.NONE);

	isPatchButton = new Button(composite, SWT.CHECK);
	isPatchButton.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
	isPatchButton.setText(Messages.TaskAttachmentPage_Patch);

	// TODO: is there a better way to pad?
	new Label(composite, SWT.NONE);

	attachContextButton = new Button(composite, SWT.CHECK);
	attachContextButton.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false, 2, 1));
	attachContextButton.setText(Messages.TaskAttachmentPage_ATTACHE_CONTEXT);
	attachContextButton.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_ATTACH));
	attachContextButton.setEnabled(ContextCore.getContextManager()
	.hasContext(model.getTask().getHandleIdentifier()));

	/*
	* Attachment file name listener, update the local attachment
	* accordingly
	*/
	fileNameText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	// determine type by extension
	taskAttachment.setFileName(fileNameText.getText());
	setContentTypeFromFilename(fileNameText.getText());
	validate();
	}
	});

	fileNameText.setText(taskAttachment.getFileName() == null ? "" : taskAttachment.getFileName()); //$NON-NLS-1$

	/* Listener for isPatch */
	isPatchButton.addSelectionListener(new SelectionAdapter() {
	private int lastSelected;

	@Override
	public void widgetSelected(SelectionEvent e) {
	taskAttachment.setPatch(isPatchButton.getSelection());
	if (isPatchButton.getSelection()) {
	lastSelected = contentTypeList.getSelectionIndex();
	contentTypeList.select(0);
	contentTypeList.setEnabled(false);
	if (attachContextButton.isEnabled()) {
	attachContextButton.setSelection(true);
	}
	} else {
	contentTypeList.setEnabled(true);
	contentTypeList.select(lastSelected);
	}
	validate();
	}
	});
	attachContextButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	validate();
	}
	});

	validate();
	setErrorMessage(null);

	if (descriptionText != null) {
	descriptionText.setFocus();
	} else {
	commentText.setFocus();
	}

	Dialog.applyDialogFont(composite);
	}

	private void validate() {
	apply();
	if (fileNameText != null && "".equals(fileNameText.getText().trim())) { //$NON-NLS-1$
	setMessage(Messages.TaskAttachmentPage_Enter_a_file_name);
	setPageComplete(false);
	} else if (descriptionText != null && "".equals(descriptionText.getText().trim())) { //$NON-NLS-1$
	setMessage(Messages.TaskAttachmentPage_Enter_a_description);
	setPageComplete(false);
	} else {
	setMessage(Messages.TaskAttachmentPage_Verify_the_content_type_of_the_attachment);
	setPageComplete(true);
	}
	}

	public TaskAttachmentModel getModel() {
	return model;
	}

	private void apply() {
	taskAttachment.applyTo(model.getAttribute());
	model.setComment(commentText.getText());
	model.setAttachContext(attachContextButton.getSelection());
	model.setContentType(taskAttachment.getContentType());
	}

	private void setContentType(String contentType) {
	String[] typeList = contentTypeList.getItems();
	for (int i = 0; i < typeList.length; i++) {
	if (typeList[i].equals(contentType)) {
	contentTypeList.select(i);
	taskAttachment.setContentType(contentType);
	validate();
	break;
	}
	}
	}

	private void setContentTypeFromFilename(String fileName) {
	setContentType(FileTaskAttachmentSource.getContentTypeFromFilename(fileName));
	}

	private void setFilePath(String path) {
	fileNameText.setText(path);
	taskAttachment.setFileName(path);
	if (path.endsWith(".patch")) { //$NON-NLS-1$
	isPatchButton.setSelection(true);
	taskAttachment.setPatch(true);
	if (attachContextButton.isEnabled()) {
	attachContextButton.setSelection(true);
	}
	}
	validate();
	}

	public void setNeedsDescription(boolean supportsDescription) {
	this.needsDescription = supportsDescription;
	}

	public boolean supportsDescription() {
	return needsDescription;
	}

	@Override
	public void setVisible(boolean visible) {
	if (visible) {
	if (fileNameText.getText().length() == 0) {
	setFilePath(getModel().getSource().getName());
	setContentType(getModel().getSource().getContentType());
	}
	}
	super.setVisible(visible);
	if (first) {
	if (descriptionText != null) {
	descriptionText.setFocus();
	} else {
	commentText.setFocus();
	}
	first = false;
	}
	}

	}