net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/PHPFileWizardPage.java

   1 package net.sourceforge.phpeclipse.wizards;
   2
   3 /**********************************************************************
   4 Copyright (c) 2000, 2002 IBM Corp. and others.
   5 All rights reserved. This program and the accompanying materials
   6 are made available under the terms of the Common Public License v1.0
   7 which accompanies this distribution, and is available at
   8 http://www.eclipse.org/legal/cpl-v10.html
   9
  10 Contributors:
  11     IBM Corporation - Initial implementation
  12     Klaus Hartlage - www.eclipseproject.de
  13 **********************************************************************/
  14
  15 import org.eclipse.core.resources.IContainer;
  16 import org.eclipse.core.resources.IFolder;
  17 import org.eclipse.core.resources.IProject;
  18 import org.eclipse.core.resources.IResource;
  19 import org.eclipse.core.resources.ResourcesPlugin;
  20 import org.eclipse.core.runtime.IPath;
  21 import org.eclipse.core.runtime.Path;
  22 import org.eclipse.jface.viewers.ISelection;
  23 import org.eclipse.jface.viewers.IStructuredSelection;
  24 import org.eclipse.jface.wizard.WizardPage;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.events.ModifyEvent;
  27 import org.eclipse.swt.events.ModifyListener;
  28 import org.eclipse.swt.events.SelectionAdapter;
  29 import org.eclipse.swt.events.SelectionEvent;
  30 import org.eclipse.swt.layout.GridData;
  31 import org.eclipse.swt.layout.GridLayout;
  32 import org.eclipse.swt.widgets.Button;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Label;
  35 import org.eclipse.swt.widgets.Text;
  36 import org.eclipse.ui.dialogs.ContainerSelectionDialog;
  37
  38 /**
  39  * The "New" wizard page allows setting the container for
  40  * the new file as well as the file name. The page
  41  * will only accept file name without the extension OR
  42  * with the extension that matches the expected one (cs).
  43  */
  44
  45 public class PHPFileWizardPage extends WizardPage {
  46         private Text containerText;
  47         private Text fileText;
  48         private ISelection selection;
  49
  50         /**
  51          * Constructor for SampleNewWizardPage.
  52          * @param pageName
  53          */
  54         public PHPFileWizardPage(ISelection selection) {
  55                 super("wizardPage");
  56                 setTitle(PHPWizardMessages.getString("WizardPage.title"));
  57                 setDescription(PHPWizardMessages.getString("WizardPage.description"));
  58                 this.selection = selection;
  59         }
  60
  61         /**
  62          * @see IDialogPage#createControl(Composite)
  63          */
  64         public void createControl(Composite parent) {
  65                 Composite container = new Composite(parent, SWT.NULL);
  66                 GridLayout layout = new GridLayout();
  67                 container.setLayout(layout);
  68                 layout.numColumns = 3;
  69                 layout.verticalSpacing = 9;
  70                 Label label = new Label(container, SWT.NULL);
  71                 label.setText(PHPWizardMessages.getString("WizardPage.containerLabel"));
  72
  73                 containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
  74                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
  75                 containerText.setLayoutData(gd);
  76                 containerText.addModifyListener(new ModifyListener() {
  77                         public void modifyText(ModifyEvent e) {
  78                                 dialogChanged();
  79                         }
  80                 });
  81
  82                 Button button = new Button(container, SWT.PUSH);
  83                 button.setText(PHPWizardMessages.getString("WizardPage.browseButtonText"));
  84                 button.addSelectionListener(new SelectionAdapter() {
  85                         public void widgetSelected(SelectionEvent e) {
  86                                 handleBrowse();
  87                         }
  88                 });
  89                 label = new Label(container, SWT.NULL);
  90                 label.setText(PHPWizardMessages.getString("WizardPage.fileLabel"));
  91
  92                 fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
  93                 gd = new GridData(GridData.FILL_HORIZONTAL);
  94                 fileText.setLayoutData(gd);
  95                 fileText.addModifyListener(new ModifyListener() {
  96                         public void modifyText(ModifyEvent e) {
  97                                 dialogChanged();
  98                         }
  99                 });
 100                 initialize();
 101                 dialogChanged();
 102                 setControl(container);
 103         }
 104
 105         /**
 106          * Tests if the current workbench selection is a suitable
 107          * container to use.
 108          */
 109
 110         private void initialize() {
 111                 if (selection!=null && selection.isEmpty()==false && selection instanceof IStructuredSelection) {
 112                         IStructuredSelection ssel = (IStructuredSelection)selection;
 113                         if (ssel.size()>1) return;
 114                         Object obj = ssel.getFirstElement();
 115                         if (obj instanceof IResource) {
 116                                 IContainer container;
 117                                 if (obj instanceof IContainer)
 118                                         container = (IContainer)obj;
 119                                 else
 120                                         container = ((IResource)obj).getParent();
 121                                 containerText.setText(container.getFullPath().toString());
 122                         }
 123                 }
 124                 fileText.setText("index.php");
 125         }
 126
 127         /**
 128          * Uses the standard container selection dialog to
 129          * choose the new value for the container field.
 130          */
 131
 132         private void handleBrowse() {
 133                 ContainerSelectionDialog dialog =
 134                         new ContainerSelectionDialog(
 135                                 getShell(),
 136                                 ResourcesPlugin.getWorkspace().getRoot(),
 137                                 false,
 138                                 PHPWizardMessages.getString("WizardPage.selectNewFileContainer"));
 139                 if (dialog.open() == ContainerSelectionDialog.OK) {
 140                         Object[] result = dialog.getResult();
 141                         if (result.length == 1) {
 142                                 IContainer container = (IContainer) result[0];
 143                                 containerText.setText(container.getFullPath().toString());
 144                         }
 145                 }
 146         }
 147
 148         /**
 149          * Ensures that both text fields are set.
 150          */
 151
 152         private void dialogChanged() {
 153                 String container = getContainerName();
 154                 String fileName = getFileName();
 155
 156                 if (container.length() == 0) {
 157                         updateStatus(PHPWizardMessages.getString("WizardPage.containerMustBeSpecified"));
 158                         return;
 159                 }
 160                 if (fileName.length() == 0) {
 161                         updateStatus("WizardPage.nameMustBeSpecified");
 162                         return;
 163                 }
 164                 int dotLoc = fileName.indexOf('.');
 165                 if (dotLoc != -1) {
 166                         String ext = fileName.substring(dotLoc + 1);
 167                         if (ext.equalsIgnoreCase("php") == false) {
 168                                 updateStatus(PHPWizardMessages.getString("WizardPage.mustBePHP"));
 169                                 return;
 170                         }
 171                 }
 172                 updateStatus(null);
 173         }
 174
 175         private void updateStatus(String message) {
 176                 setErrorMessage(message);
 177                 setPageComplete(message == null);
 178         }
 179
 180         public String getContainerName() {
 181                 return containerText.getText();
 182         }
 183         public String getFileName() {
 184                 return fileText.getText();
 185         }
 186
 187         /**
 188          * @see WizardPage#isPageComplete()
 189          */
 190         public boolean isPageComplete() {
 191                 return !checkFolderForExistingFile() && super.isPageComplete();
 192         }
 193
 194         /**
 195          * Finds the current directory where the file should be created
 196          */
 197         protected boolean checkFolderForExistingFile() {
 198                 boolean result = false;
 199
 200                 if (containerText.getText() != null) {
 201                         IPath containerPath = new Path(containerText.getText().trim());
 202                         if (containerPath.segmentCount() > 1) {
 203                                 IFolder container = ResourcesPlugin.getWorkspace().getRoot().getFolder(containerPath);
 204                                 if (container != null && container.exists()) {
 205                                         IResource file = container.getFile(fileText.getText().trim());
 206                                         if (file != null && file.exists()) {
 207                                                 this.setErrorMessage(PHPWizardMessages.getString("WizardPage.fileAlreadyExists"));
 208                                                 result = true;
 209                                         }
 210                                 }
 211                         } else {
 212                                 // this is a project
 213                                 IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(containerText.getText().trim());
 214                                 if (project != null && project.exists()) {
 215                                         IResource file = project.getFile(fileText.getText().trim());
 216                                         if (file != null && file.exists()) {
 217                                                 this.setErrorMessage(PHPWizardMessages.getString("WizardPage.fileAlreadyExists"));
 218                                                 result = true;
 219                                         }
 220                                 }
 221                         }
 222                 }
 223
 224                 if (!result)
 225                         ((PHPFileWizard) this.getWizard()).setFileName(fileText.getText().trim());
 226
 227                 return result;
 228         }
 229
 230 }