1.5/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/dialogs/MethodAddLinkDialog.java - epf/org.eclipse.epf.composer - Git at Google

 //------------------------------------------------------------------------------
 // Copyright (c) 2005, 2007 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 implementation
 //------------------------------------------------------------------------------
 package org.eclipse.epf.authoring.ui.dialogs;

 import java.io.File;
 import java.util.ArrayList;

 import org.eclipse.core.runtime.Platform;
 import org.eclipse.epf.authoring.ui.AuthoringUIResources;
 import org.eclipse.epf.authoring.ui.AuthoringUIText;
 import org.eclipse.epf.authoring.ui.filters.AddLinkFilter;
 import org.eclipse.epf.authoring.ui.richtext.IMethodRichText;
 import org.eclipse.epf.common.utils.NetUtil;
 import org.eclipse.epf.library.LibraryService;
 import org.eclipse.epf.library.edit.IFilter;
 import org.eclipse.epf.library.edit.itemsfilter.FilterConstants;
 import org.eclipse.epf.library.ui.LibraryUIResources;
 import org.eclipse.epf.library.util.ResourceHelper;
 import org.eclipse.epf.richtext.RichTextEditor;
 import org.eclipse.epf.richtext.dialogs.AddLinkDialog;
 import org.eclipse.epf.uma.MethodConfiguration;
 import org.eclipse.epf.uma.MethodElement;
 import org.eclipse.epf.uma.MethodPlugin;
 import org.eclipse.epf.uma.Milestone;
 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.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.PlatformUI;

 /**
  * Prompts the user to select a link type that will be used to create a HTML <a>
  * tag in the Rich Text Editor.
  *
  * @author Jeff Hardy
  * @author Kelvin Low
  * @since 1.0
  */
 public class MethodAddLinkDialog extends AddLinkDialog {

 	private static final int LINK_URL = 0;

 	private static final int LINK_FILE = LINK_URL + 1;

 	// private static final int LINK_ELEMENT_LINK = LINK_URL + 2;

 	private static final int LINK_ELEMENT_LINK_WITH_TYPE = LINK_URL + 3;

 	private static final int LINK_ELEMENT_LINK_WITH_USER_TEXT = LINK_URL + 4;

 	private static final String[] ELEMENT_TYPE_LABELS = {
 			LibraryUIResources.linkToURL_name,
 			LibraryUIResources.linkToFile_name,
 			LibraryUIResources.elementLink_name,
 			LibraryUIResources.elementLinkWithType_name,
 			LibraryUIResources.elementLinkWithUserText_name };

 	public static final String OPEN_LINK_IN_NEW_WINDOW_ATTRIBUTE = "target=\"_blank\""; //$NON-NLS-1$

 	private IMethodRichText richText;

 	private MethodElement methodElement;

 	private String elementLoc;

 	private Combo linkTypeCombo;

 	private Button browseButton;

 	private Button openLinkCheckbox;

 	private int linkType;

 	private boolean openLinkInNewWindow = true;

 	private File fileToCopy;

 	private ModifyListener modifyListener = new ModifyListener() {
 		public void modifyText(ModifyEvent event) {
 			if (okButton != null) {
 				try {
 					if (linkType == LINK_FILE && event.widget == urlText) {
 						File urlFile = new File(urlText.getText().trim());
 						if (urlFile.isAbsolute()) {
 							fileToCopy = urlFile;
 						} else {
 							fileToCopy = new File(elementLoc, urlText.getText().trim());
 						}
 						okButton.setEnabled(fileToCopy.isFile() && fileToCopy.canRead());
 					} else {
 						okButton.setEnabled(urlText.getText().trim().length() > 0);
 					}
 				} catch (Exception e) {
 					okButton.setEnabled(false);
 				}
 			}
 		}
 	};


 	/**
 	 * Creates a new instance.
 	 *
 	 * @param parent
 	 *            The parent shell.
 	 * @param richText
 	 *            A rich text control.
 	 */
 	public MethodAddLinkDialog(Shell parent, IMethodRichText richText) {
 		super(parent, richText.getBasePath());
 		this.richText = richText;
 		this.methodElement = richText.getMethodElement();
 		elementLoc = ResourceHelper.getFolderAbsolutePath(methodElement);
 	}

 	/**
 	 * @see org.eclipse.epf.richtext.dialogs.BaseDialog#createDialogArea(Composite
 	 *      parent)
 	 */
 	protected Control createDialogArea(Composite parent) {
 		Composite composite = (Composite) super.createDialogArea(parent);
 		GridLayout layout = (GridLayout) composite.getLayout();
 		layout.numColumns = 3;

 		Label linkTypeLabel = new Label(composite, SWT.NONE);
 		linkTypeLabel.setText(AuthoringUIResources.addLinkDialog_linkType);
 		linkTypeLabel.moveAbove(urlLabel);

 		urlText.removeModifyListener(urlTextModifyListener);
 		urlText.addModifyListener(modifyListener);


 		linkTypeCombo = new Combo(composite, SWT.BORDER | SWT.READ_ONLY);
 		GridData comboGridData = new GridData(GridData.FILL_HORIZONTAL);
 		comboGridData.horizontalSpan = 2;
 		linkTypeCombo.setLayoutData(comboGridData);
 		linkTypeCombo.setItems(ELEMENT_TYPE_LABELS);
 		linkTypeCombo.setText(ELEMENT_TYPE_LABELS[0]);
 		linkTypeCombo.addSelectionListener(new SelectionListener() {
 			public void widgetSelected(SelectionEvent event) {
 				linkType = linkTypeCombo.getSelectionIndex();
 				browseButton.setEnabled(linkType != LINK_URL);
 				urlDisplayNameLabel.setEnabled(linkType == LINK_URL);
 				urlDisplayNameText.setEnabled(linkType == LINK_URL);
 				if (linkType == LINK_URL) {
 					urlDisplayNameText
 							.setText(richText.getSelected().getText());
 				} else {
 					urlDisplayNameText.setText(""); //$NON-NLS-1$
 				}
 				openLinkCheckbox.setEnabled(linkType == LINK_URL
 						|| linkType == LINK_FILE);
 				urlText.setText(""); //$NON-NLS-1$
 				if (linkType != LINK_FILE) {
 					fileToCopy = null;
 				}
 			}

 			public void widgetDefaultSelected(SelectionEvent event) {
 			}
 		});
 		linkTypeCombo.moveAbove(urlLabel);

 		browseButton = new Button(composite, SWT.PUSH);
 		browseButton.setLayoutData(new GridData());
 		browseButton.setText(AuthoringUIText.BROWSE_BUTTON_TEXT);
 		browseButton.setEnabled(false);
 		browseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent event) {
 				if (linkType == LINK_FILE) {
 					FileDialog dialog = new FileDialog(Display.getCurrent()
 							.getActiveShell(), SWT.OPEN);
 					dialog.setFilterPath(basePath);
 					String attachFile = dialog.open();
 					if (attachFile != null && attachFile.length() > 0) {
 						try {
 							File file = new File(dialog.getFilterPath(), dialog
 									.getFileName());
 							urlText.setText(file.getAbsolutePath());
 						} catch (Exception e) {
 							logger.logError(e);
 						}
 					}
 				}
 				// MethodElement link
 				else {
 					IFilter filter = new AddLinkFilter() {
 						protected boolean childAccept(Object obj) {
 							if (obj instanceof MethodPlugin)
 								return true;
 							if (obj instanceof MethodConfiguration)
 								return false;
 							if(obj instanceof Milestone) return false;
 							return true;
 						}
 					};
 					ItemsFilterDialog fd = new ItemsFilterDialog(PlatformUI
 							.getWorkbench().getActiveWorkbenchWindow()
 							.getShell(), filter, methodElement,
 							FilterConstants.ALL_ELEMENTS);
 					fd.setBlockOnOpen(true);
 					fd.setTitle(FilterConstants.ALL_ELEMENTS);
 					fd.open();
 					ArrayList sel = fd.getSelectedItems();
 					if (sel.size() > 0) {
 						MethodElement selectedElement = (MethodElement) sel
 								.get(0);
 						String url = null;
 						String href = ResourceHelper.getUrl(selectedElement,
 								methodElement, "html"); //$NON-NLS-1$
 						if (linkType == LINK_ELEMENT_LINK_WITH_USER_TEXT) {
 							String linkName = ((RichTextEditor) richText)
 									.getSelected().getText();
 							if (linkName.trim().length() == 0)
 								linkName = selectedElement.getName();
 							url = ResourceHelper
 									.getElementLink(selectedElement, linkName,
 											"file://" + href); //$NON-NLS-1$
 						} else {
 							boolean withType = (linkType == LINK_ELEMENT_LINK_WITH_TYPE) ? true
 									: false;
 							url = ResourceHelper
 									.getElementLink(selectedElement, withType,
 											"file://" + href); //$NON-NLS-1$
 						}
 						urlText.setText(url);
 					}
 				}
 			}
 		});
 		browseButton.moveAbove(urlDisplayNameLabel);

 		openLinkCheckbox = new Button(composite, SWT.CHECK);
 		GridData checkBoxGridData = new GridData();
 		checkBoxGridData.horizontalSpan = 2;
 		openLinkCheckbox.setLayoutData(checkBoxGridData);
 		openLinkCheckbox.setText(AuthoringUIResources.openLinkCheckbox_text);
 		openLinkCheckbox.setSelection(true);
 		openLinkCheckbox.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				openLinkInNewWindow = openLinkCheckbox.getSelection();
 			}
 		});

 		urlDisplayNameText.setText(richText.getSelected().getText());

 		return composite;
 	}

 	/**
 	 * Returns the file to be copied to a resource folder.
 	 */
 	public File getFileToCopy() {
 		return fileToCopy;
 	}

 	/**
 	 * Returns <code>true</code> if the link should be opened in a new browser
 	 * window.
 	 */
 	public boolean getOpenLinkInNewWindow() {
 		return openLinkInNewWindow;
 	}

 	/**
 	 * Called when the OK button is selected.
 	 */
 	protected void okPressed() {
 		String url = urlText.getText();
 		if (url != null && url.length() > 0) {
 			if (linkType == LINK_URL) {
 				String urlDisplayName = urlDisplayNameText.getText();
 				if (urlDisplayName.trim().length() == 0) {
 					urlDisplayName = url;
 				}
 				String fullURL = "<a href=\"" + //$NON-NLS-1$
 						url
 						+ "\"" + //$NON-NLS-1$
 						(openLinkInNewWindow ? " " + OPEN_LINK_IN_NEW_WINDOW_ATTRIBUTE : "") + //$NON-NLS-1$ //$NON-NLS-2$
 						">" + urlDisplayName + "</a>"; //$NON-NLS-1$ //$NON-NLS-2$
 				link.setURL(fullURL);
 			} else {
 				link.setURL(url);
 			}
 		}

 		// Set widget text to blank so super.okPressed doesn't overwrite the
 		// above.
 		urlText.removeModifyListener(modifyListener);
 		urlText.setText(""); //$NON-NLS-1$
 		super.okPressed();
 	}

 }
	//------------------------------------------------------------------------------
	// Copyright (c) 2005, 2007 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 implementation
	//------------------------------------------------------------------------------
	package org.eclipse.epf.authoring.ui.dialogs;

	import java.io.File;
	import java.util.ArrayList;

	import org.eclipse.core.runtime.Platform;
	import org.eclipse.epf.authoring.ui.AuthoringUIResources;
	import org.eclipse.epf.authoring.ui.AuthoringUIText;
	import org.eclipse.epf.authoring.ui.filters.AddLinkFilter;
	import org.eclipse.epf.authoring.ui.richtext.IMethodRichText;
	import org.eclipse.epf.common.utils.NetUtil;
	import org.eclipse.epf.library.LibraryService;
	import org.eclipse.epf.library.edit.IFilter;
	import org.eclipse.epf.library.edit.itemsfilter.FilterConstants;
	import org.eclipse.epf.library.ui.LibraryUIResources;
	import org.eclipse.epf.library.util.ResourceHelper;
	import org.eclipse.epf.richtext.RichTextEditor;
	import org.eclipse.epf.richtext.dialogs.AddLinkDialog;
	import org.eclipse.epf.uma.MethodConfiguration;
	import org.eclipse.epf.uma.MethodElement;
	import org.eclipse.epf.uma.MethodPlugin;
	import org.eclipse.epf.uma.Milestone;
	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.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.PlatformUI;

	/**
	* Prompts the user to select a link type that will be used to create a HTML <a>
	* tag in the Rich Text Editor.
	*
	* @author Jeff Hardy
	* @author Kelvin Low
	* @since 1.0
	*/
	public class MethodAddLinkDialog extends AddLinkDialog {

	private static final int LINK_URL = 0;

	private static final int LINK_FILE = LINK_URL + 1;

	// private static final int LINK_ELEMENT_LINK = LINK_URL + 2;

	private static final int LINK_ELEMENT_LINK_WITH_TYPE = LINK_URL + 3;

	private static final int LINK_ELEMENT_LINK_WITH_USER_TEXT = LINK_URL + 4;

	private static final String[] ELEMENT_TYPE_LABELS = {
	LibraryUIResources.linkToURL_name,
	LibraryUIResources.linkToFile_name,
	LibraryUIResources.elementLink_name,
	LibraryUIResources.elementLinkWithType_name,
	LibraryUIResources.elementLinkWithUserText_name };

	public static final String OPEN_LINK_IN_NEW_WINDOW_ATTRIBUTE = "target=\"_blank\""; //$NON-NLS-1$

	private IMethodRichText richText;

	private MethodElement methodElement;

	private String elementLoc;

	private Combo linkTypeCombo;

	private Button browseButton;

	private Button openLinkCheckbox;

	private int linkType;

	private boolean openLinkInNewWindow = true;

	private File fileToCopy;

	private ModifyListener modifyListener = new ModifyListener() {
	public void modifyText(ModifyEvent event) {
	if (okButton != null) {
	try {
	if (linkType == LINK_FILE && event.widget == urlText) {
	File urlFile = new File(urlText.getText().trim());
	if (urlFile.isAbsolute()) {
	fileToCopy = urlFile;
	} else {
	fileToCopy = new File(elementLoc, urlText.getText().trim());
	}
	okButton.setEnabled(fileToCopy.isFile() && fileToCopy.canRead());
	} else {
	okButton.setEnabled(urlText.getText().trim().length() > 0);
	}
	} catch (Exception e) {
	okButton.setEnabled(false);
	}
	}
	}
	};


	/**
	* Creates a new instance.
	*
	* @param parent
	* The parent shell.
	* @param richText
	* A rich text control.
	*/
	public MethodAddLinkDialog(Shell parent, IMethodRichText richText) {
	super(parent, richText.getBasePath());
	this.richText = richText;
	this.methodElement = richText.getMethodElement();
	elementLoc = ResourceHelper.getFolderAbsolutePath(methodElement);
	}

	/**
	* @see org.eclipse.epf.richtext.dialogs.BaseDialog#createDialogArea(Composite
	* parent)
	*/
	protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);
	GridLayout layout = (GridLayout) composite.getLayout();
	layout.numColumns = 3;

	Label linkTypeLabel = new Label(composite, SWT.NONE);
	linkTypeLabel.setText(AuthoringUIResources.addLinkDialog_linkType);
	linkTypeLabel.moveAbove(urlLabel);

	urlText.removeModifyListener(urlTextModifyListener);
	urlText.addModifyListener(modifyListener);


	linkTypeCombo = new Combo(composite, SWT.BORDER \| SWT.READ_ONLY);
	GridData comboGridData = new GridData(GridData.FILL_HORIZONTAL);
	comboGridData.horizontalSpan = 2;
	linkTypeCombo.setLayoutData(comboGridData);
	linkTypeCombo.setItems(ELEMENT_TYPE_LABELS);
	linkTypeCombo.setText(ELEMENT_TYPE_LABELS[0]);
	linkTypeCombo.addSelectionListener(new SelectionListener() {
	public void widgetSelected(SelectionEvent event) {
	linkType = linkTypeCombo.getSelectionIndex();
	browseButton.setEnabled(linkType != LINK_URL);
	urlDisplayNameLabel.setEnabled(linkType == LINK_URL);
	urlDisplayNameText.setEnabled(linkType == LINK_URL);
	if (linkType == LINK_URL) {
	urlDisplayNameText
	.setText(richText.getSelected().getText());
	} else {
	urlDisplayNameText.setText(""); //$NON-NLS-1$
	}
	openLinkCheckbox.setEnabled(linkType == LINK_URL
	\|\| linkType == LINK_FILE);
	urlText.setText(""); //$NON-NLS-1$
	if (linkType != LINK_FILE) {
	fileToCopy = null;
	}
	}

	public void widgetDefaultSelected(SelectionEvent event) {
	}
	});
	linkTypeCombo.moveAbove(urlLabel);

	browseButton = new Button(composite, SWT.PUSH);
	browseButton.setLayoutData(new GridData());
	browseButton.setText(AuthoringUIText.BROWSE_BUTTON_TEXT);
	browseButton.setEnabled(false);
	browseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent event) {
	if (linkType == LINK_FILE) {
	FileDialog dialog = new FileDialog(Display.getCurrent()
	.getActiveShell(), SWT.OPEN);
	dialog.setFilterPath(basePath);
	String attachFile = dialog.open();
	if (attachFile != null && attachFile.length() > 0) {
	try {
	File file = new File(dialog.getFilterPath(), dialog
	.getFileName());
	urlText.setText(file.getAbsolutePath());
	} catch (Exception e) {
	logger.logError(e);
	}
	}
	}
	// MethodElement link
	else {
	IFilter filter = new AddLinkFilter() {
	protected boolean childAccept(Object obj) {
	if (obj instanceof MethodPlugin)
	return true;
	if (obj instanceof MethodConfiguration)
	return false;
	if(obj instanceof Milestone) return false;
	return true;
	}
	};
	ItemsFilterDialog fd = new ItemsFilterDialog(PlatformUI
	.getWorkbench().getActiveWorkbenchWindow()
	.getShell(), filter, methodElement,
	FilterConstants.ALL_ELEMENTS);
	fd.setBlockOnOpen(true);
	fd.setTitle(FilterConstants.ALL_ELEMENTS);
	fd.open();
	ArrayList sel = fd.getSelectedItems();
	if (sel.size() > 0) {
	MethodElement selectedElement = (MethodElement) sel
	.get(0);
	String url = null;
	String href = ResourceHelper.getUrl(selectedElement,
	methodElement, "html"); //$NON-NLS-1$
	if (linkType == LINK_ELEMENT_LINK_WITH_USER_TEXT) {
	String linkName = ((RichTextEditor) richText)
	.getSelected().getText();
	if (linkName.trim().length() == 0)
	linkName = selectedElement.getName();
	url = ResourceHelper
	.getElementLink(selectedElement, linkName,
	"file://" + href); //$NON-NLS-1$
	} else {
	boolean withType = (linkType == LINK_ELEMENT_LINK_WITH_TYPE) ? true
	: false;
	url = ResourceHelper
	.getElementLink(selectedElement, withType,
	"file://" + href); //$NON-NLS-1$
	}
	urlText.setText(url);
	}
	}
	}
	});
	browseButton.moveAbove(urlDisplayNameLabel);

	openLinkCheckbox = new Button(composite, SWT.CHECK);
	GridData checkBoxGridData = new GridData();
	checkBoxGridData.horizontalSpan = 2;
	openLinkCheckbox.setLayoutData(checkBoxGridData);
	openLinkCheckbox.setText(AuthoringUIResources.openLinkCheckbox_text);
	openLinkCheckbox.setSelection(true);
	openLinkCheckbox.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	openLinkInNewWindow = openLinkCheckbox.getSelection();
	}
	});

	urlDisplayNameText.setText(richText.getSelected().getText());

	return composite;
	}

	/**
	* Returns the file to be copied to a resource folder.
	*/
	public File getFileToCopy() {
	return fileToCopy;
	}

	/**
	* Returns <code>true</code> if the link should be opened in a new browser
	* window.
	*/
	public boolean getOpenLinkInNewWindow() {
	return openLinkInNewWindow;
	}

	/**
	* Called when the OK button is selected.
	*/
	protected void okPressed() {
	String url = urlText.getText();
	if (url != null && url.length() > 0) {
	if (linkType == LINK_URL) {
	String urlDisplayName = urlDisplayNameText.getText();
	if (urlDisplayName.trim().length() == 0) {
	urlDisplayName = url;
	}
	String fullURL = "<a href=\"" + //$NON-NLS-1$
	url
	+ "\"" + //$NON-NLS-1$
	(openLinkInNewWindow ? " " + OPEN_LINK_IN_NEW_WINDOW_ATTRIBUTE : "") + //$NON-NLS-1$ //$NON-NLS-2$
	">" + urlDisplayName + "</a>"; //$NON-NLS-1$ //$NON-NLS-2$
	link.setURL(fullURL);
	} else {
	link.setURL(url);
	}
	}

	// Set widget text to blank so super.okPressed doesn't overwrite the
	// above.
	urlText.removeModifyListener(modifyListener);
	urlText.setText(""); //$NON-NLS-1$
	super.okPressed();
	}

	}