Java tutorial
/******************************************************************************* * 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 * Bartosz Michalik <bartosz.michalik@gmail.com> - bug 109440 *******************************************************************************/ package com.siteview.mde.internal.ui.wizards.plugin; import java.io.File; import java.util.*; import org.eclipse.core.resources.IFile; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.viewers.*; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardPage; import com.siteview.mde.internal.ui.*; import com.siteview.mde.internal.ui.elements.DefaultTableProvider; import com.siteview.mde.internal.ui.util.*; import org.eclipse.swt.SWT; import org.eclipse.swt.events.*; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.ElementTreeSelectionDialog; import org.eclipse.ui.model.WorkbenchContentProvider; import org.eclipse.ui.model.WorkbenchLabelProvider; public class LibraryPluginJarsPage extends WizardPage { protected LibraryPluginFieldData fData; /** * List of IFile and File of workspace and external Jars. */ protected ArrayList fJarPaths = new ArrayList(); protected Button fRemove; protected TableViewer fTableViewer; public LibraryPluginJarsPage(String pageName, LibraryPluginFieldData data, Collection jarPaths) { super(pageName); fData = data; setTitle(MDEUIMessages.LibraryPluginJarsPage_title); setDescription(MDEUIMessages.LibraryPluginJarsPage_desc); if (jarPaths != null) fJarPaths.addAll(jarPaths); } private void chooseFile() { FileDialog dialog = new FileDialog(getShell(), SWT.OPEN | SWT.MULTI); dialog.setFilterExtensions(new String[] { "*.jar" }); //$NON-NLS-1$ String res = dialog.open(); if (res != null) { String path = new File(res).getParent(); String[] fileNames = dialog.getFileNames(); for (int i = 0; i < fileNames.length; i++) { File newJarFile = new File(path, fileNames[i]); removeJar(fileNames[i]); fJarPaths.add(newJarFile); fTableViewer.add(newJarFile); } fRemove.setEnabled(fJarPaths.size() > 0); setPageComplete(fJarPaths.size() > 0); } } private void chooseWorkspaceFile() { ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(), new WorkbenchLabelProvider(), new WorkbenchContentProvider()); dialog.setValidator(new FileValidator()); dialog.setAllowMultiple(true); dialog.setTitle(MDEUIMessages.LibraryPluginJarsPage_SelectionDialog_title); dialog.setMessage(MDEUIMessages.LibraryPluginJarsPage_SelectionDialog_message); dialog.addFilter(new FileExtensionFilter("jar")); //$NON-NLS-1$ dialog.setInput(MDEPlugin.getWorkspace().getRoot()); dialog.create(); PlatformUI.getWorkbench().getHelpSystem().setHelp(dialog.getShell(), IHelpContextIds.JAR_SELECTION); if (dialog.open() == Window.OK) { Object[] files = dialog.getResult(); for (int i = 0; i < files.length; i++) { IFile newJarFile = (IFile) files[i]; removeJar(newJarFile.getName()); fJarPaths.add(newJarFile); fTableViewer.add(newJarFile); } fRemove.setEnabled(fJarPaths.size() > 0); setPageComplete(fJarPaths.size() > 0); } } public void createControl(Composite parent) { Composite control = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; // layout.verticalSpacing = 10; control.setLayout(layout); Label l = new Label(control, SWT.WRAP); l.setText(MDEUIMessages.LibraryPluginJarsPage_label); GridData data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 2; l.setLayoutData(data); fTableViewer = new TableViewer(control, SWT.MULTI | SWT.BORDER); fTableViewer.setContentProvider(new DefaultTableProvider() { public Object[] getElements(Object inputElement) { return fJarPaths.toArray(); } }); fTableViewer.setLabelProvider(new LabelProvider() { public String getText(Object obj) { String name; String location; if (obj instanceof IFile) { IFile jarFile = (IFile) obj; name = jarFile.getName(); location = jarFile.getParent().getFullPath().toString().substring(1); } else { File jarFile = (File) obj; name = jarFile.getName(); location = jarFile.getParent(); } return name + " - " + location; //$NON-NLS-1$ } public Image getImage(Object obj) { if (obj instanceof IFile) { return MDEPlugin.getDefault().getLabelProvider().get(MDEPluginImages.DESC_JAR_OBJ); } return MDEPlugin.getDefault().getLabelProvider().get(MDEPluginImages.DESC_JAR_LIB_OBJ); } }); // should not sort, bug 98401 //fTableViewer.setSorter(new ViewerSorter()); data = new GridData(GridData.FILL_BOTH); fTableViewer.getControl().setLayoutData(data); fTableViewer.setInput(fJarPaths); fTableViewer.getTable().addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent event) { if (event.character == SWT.DEL && event.stateMask == 0) { handleRemove(); } } }); Composite buttons = new Composite(control, SWT.NONE); layout = new GridLayout(); layout.verticalSpacing = 5; layout.marginHeight = 0; layout.marginWidth = 0; buttons.setLayout(layout); data = new GridData(GridData.FILL_VERTICAL); data.grabExcessVerticalSpace = true; buttons.setLayoutData(data); Button browseWorkspace = new Button(buttons, SWT.PUSH); browseWorkspace.setText(MDEUIMessages.LibraryPluginJarsPage_add); browseWorkspace.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.FILL_HORIZONTAL)); SWTUtil.setButtonDimensionHint(browseWorkspace); browseWorkspace.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { chooseWorkspaceFile(); } }); Button browseFile = new Button(buttons, SWT.PUSH); browseFile.setText(MDEUIMessages.LibraryPluginJarsPage_addExternal); browseFile.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); SWTUtil.setButtonDimensionHint(browseFile); browseFile.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { chooseFile(); } }); fRemove = new Button(buttons, SWT.PUSH); fRemove.setText(MDEUIMessages.LibraryPluginJarsPage_remove); fRemove.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); SWTUtil.setButtonDimensionHint(fRemove); fRemove.setEnabled(fJarPaths.size() > 0); setPageComplete(fJarPaths.size() > 0); fRemove.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { handleRemove(); } }); Dialog.applyDialogFont(control); PlatformUI.getWorkbench().getHelpSystem().setHelp(control, IHelpContextIds.NEW_LIBRARY_PROJECT_JAR_PAGE); setControl(control); PlatformUI.getWorkbench().getHelpSystem().setHelp(control, IHelpContextIds.LIBRARY_PLUGIN_JARS); } private void handleRemove() { IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection(); if (!selection.isEmpty()) { for (Iterator it = selection.iterator(); it.hasNext();) { Object file = it.next(); fJarPaths.remove(file); fTableViewer.remove(file); } fRemove.setEnabled(fJarPaths.size() > 0); setPageComplete(fJarPaths.size() > 0); } } public boolean isPageComplete() { return fJarPaths.size() > 0; } private void removeJar(String fileName) { for (int i = 0; i < fJarPaths.size(); i++) { String name; if (fJarPaths.get(i) instanceof IFile) { IFile jarFile = (IFile) fJarPaths.get(i); name = jarFile.getName(); } else { File jarFile = (File) fJarPaths.get(i); name = jarFile.getName(); } if (name.equals(fileName)) { Object jarPath = fJarPaths.get(i); fJarPaths.remove(jarPath); fTableViewer.remove(jarPath); } } } public void updateData() { String[] jarPaths = new String[fJarPaths.size()]; for (int i = 0; i < fJarPaths.size(); i++) { if (fJarPaths.get(i) instanceof IFile) { IFile jarFile = (IFile) fJarPaths.get(i); jarPaths[i] = jarFile.getLocation().toString(); } else { File jarFile = (File) fJarPaths.get(i); jarPaths[i] = jarFile.toString(); } } fData.setLibraryPaths(jarPaths); } }