Java tutorial
/******************************************************************************* * Copyright (c) 2010, 2011 DESTECS Team and others. * * DESTECS is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * DESTECS is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with DESTECS. If not, see <http://www.gnu.org/licenses/>. * * The DESTECS web-site: http://destecs.org/ *******************************************************************************/ package org.destecs.ide.ui.wizards; import java.util.List; import java.util.Vector; import org.destecs.ide.core.IDestecsCoreConstants; import org.destecs.ide.core.resources.IDestecsProject; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.Assert; import org.eclipse.core.runtime.CoreException; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.layout.PixelConverter; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardPage; 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.graphics.Image; 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.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.ElementTreeSelectionDialog; import org.eclipse.ui.model.BaseWorkbenchContentProvider; import org.eclipse.ui.model.WorkbenchLabelProvider; public class DestecsScenarioWizardPageCreation extends WizardPage { static class WidgetListener implements ModifyListener, SelectionListener { public boolean suspended = false; public void modifyText(ModifyEvent e) { if (!suspended) { // validatePage(); //updateLaunchConfigurationDialog(); } } public void widgetDefaultSelected(SelectionEvent e) { if (!suspended) { /* do nothing */ } } public void widgetSelected(SelectionEvent e) { if (!suspended) { // fOperationText.setEnabled(!fdebugInConsole.getSelection()); //updateLaunchConfigurationDialog(); } } } // private IStructuredSelection fStructuredSelection = null; // private IProject project = null; // private boolean validSelection = false; private Text fProjectText; private String fProjectName = null; // private WidgetListener fListener = new WidgetListener(); private String fType; private String fName; protected DestecsScenarioWizardPageCreation(String pageName) { super(pageName); } public DestecsScenarioWizardPageCreation(String string, IStructuredSelection fStructuredSelection, String type, String name) { super(string); // this.fStructuredSelection = fStructuredSelection; this.fType = type; this.fName = name; Object o = fStructuredSelection.getFirstElement(); if (o != null && o instanceof IProject) { IProject p = (IProject) o; IDestecsProject dp = (IDestecsProject) p.getAdapter(IDestecsProject.class); if (dp != null) { // this.project = p; this.fProjectName = p.getName(); // this.validSelection = true; updatePage(); } } } public String getProjectName() { return this.fProjectName; } private void updatePage() { if (fProjectName == null) { return; } IWorkspaceRoot ws = ResourcesPlugin.getWorkspace().getRoot(); IProject p = ws.getProject(fProjectName); IFolder f = p.getFolder("scenarios"); if (f != null) { IFile file = f.getFile(p.getName() + "." + this.fType); if (file.exists()) { setErrorMessage(fName + " already exists"); } else { setErrorMessage(null); setMessage(fName + " is going to be created in configuration/" + p.getName() + "." + fType); } } else { setErrorMessage(null); setMessage(fName + "is going to be created in configuration/" + p.getName() + "." + fType); } } private void createProjectSelection(Composite parent) { Group group = new Group(parent, parent.getStyle()); group.setText("Project"); GridData gd = new GridData(GridData.FILL_HORIZONTAL); group.setLayoutData(gd); GridLayout layout = new GridLayout(); layout.makeColumnsEqualWidth = false; layout.numColumns = 3; group.setLayout(layout); // editParent = group; Label label = new Label(group, SWT.MIN); label.setText("Project:"); gd = new GridData(GridData.BEGINNING); label.setLayoutData(gd); fProjectText = new Text(group, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY); if (this.fProjectName != null) { fProjectText.setText(this.fProjectName); } gd = new GridData(GridData.FILL_HORIZONTAL); fProjectText.setLayoutData(gd); // fProjectText.addModifyListener(fListener); Button selectProjectButton = createPushButton(group, "Browse...", null); selectProjectButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { class ProjectContentProvider extends BaseWorkbenchContentProvider { @Override public boolean hasChildren(Object element) { if (element instanceof IProject) { return false; } else { return super.hasChildren(element); } } @SuppressWarnings("unchecked") @Override public Object[] getElements(Object element) { @SuppressWarnings("rawtypes") List elements = new Vector(); Object[] arr = super.getElements(element); if (arr != null) { for (Object object : arr) { try { if (object instanceof IProject && ((IProject) object).hasNature(IDestecsCoreConstants.NATURE)) { elements.add(object); } } catch (CoreException e) { //Ignore it } } return elements.toArray(); } return null; } } ; ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(), new WorkbenchLabelProvider(), new ProjectContentProvider()); dialog.setTitle("Project Selection"); dialog.setMessage("Select a project:"); dialog.setComparator(new ViewerComparator()); dialog.setInput(ResourcesPlugin.getWorkspace().getRoot()); if (dialog.open() == Window.OK) { if (dialog.getFirstResult() != null && dialog.getFirstResult() instanceof IProject ) { IProject project = ((IProject) dialog.getFirstResult()); setProject(project); //setProjectAndsearchModels(project); // selectScenarioButton.setEnabled(true); } } } }); } private void setProject(IProject project) { this.fProjectName = project.getName(); this.fProjectText.setText(fProjectName); updatePage(); } public void createControl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); setControl(composite); // PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), // IDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_COMMON_TAB); composite.setLayout(new GridLayout(1, true)); composite.setFont(parent.getFont()); createProjectSelection(composite); // GridLayout gl = new GridLayout(); // gl.numColumns = 3; // composite.setLayout(gl); // // GridData gd = new GridData(); // gd.horizontalAlignment = GridData.BEGINNING; // composite.setLayoutData(gd); // // Label selectedProject = new Label(composite,SWT.MIN); // selectedProject.setText("Selected Project:"); // // Label selectedProjectName = new Label(composite,SWT.MIN); // if(this.project == null){ // selectedProjectName.setText("None"); // } // else{ // selectedProjectName.setText(this.project.getName()); // } // // // setControl(composite); } @Override public boolean isPageComplete() { //System.out.println("Is page complete run..."); return super.isPageComplete(); } // private static Button createPushButton(Composite parent, String label, String tooltip, Image image) { // Button button = createPushButton(parent, label, image); // button.setToolTipText(tooltip); // return button; // } private static Button createPushButton(Composite parent, String label, Image image) { Button button = new Button(parent, SWT.PUSH); button.setFont(parent.getFont()); if (image != null) { button.setImage(image); } if (label != null) { button.setText(label); } GridData gd = new GridData(); button.setLayoutData(gd); setButtonDimensionHint(button); return button; } private static void setButtonDimensionHint(Button button) { Assert.isNotNull(button); Object gd = button.getLayoutData(); if (gd instanceof GridData) { ((GridData) gd).widthHint = getButtonWidthHint(button); ((GridData) gd).horizontalAlignment = GridData.FILL; } } private static int getButtonWidthHint(Button button) { /*button.setFont(JFaceResources.getDialogFont());*/ PixelConverter converter = new PixelConverter(button); int widthHint = converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH); return Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x); } public void setType(String type) { this.fType = type; } }