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  www.phpeclipse.de
  13  **********************************************************************/
  14
  15 import net.sourceforge.phpdt.core.ICompilationUnit;
  16 import net.sourceforge.phpdt.internal.corext.codemanipulation.StubUtility;
  17
  18 import org.eclipse.core.resources.IContainer;
  19 import org.eclipse.core.resources.IResource;
  20 import org.eclipse.core.resources.ResourcesPlugin;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IPath;
  23 import org.eclipse.core.runtime.Path;
  24 import org.eclipse.jface.dialogs.IDialogPage;
  25 import org.eclipse.jface.viewers.ISelection;
  26 import org.eclipse.jface.viewers.IStructuredSelection;
  27 import org.eclipse.jface.wizard.WizardPage;
  28 import org.eclipse.swt.SWT;
  29 import org.eclipse.swt.events.ModifyEvent;
  30 import org.eclipse.swt.events.ModifyListener;
  31 import org.eclipse.swt.events.SelectionAdapter;
  32 import org.eclipse.swt.events.SelectionEvent;
  33 import org.eclipse.swt.layout.GridData;
  34 import org.eclipse.swt.layout.GridLayout;
  35 import org.eclipse.swt.widgets.Button;
  36 import org.eclipse.swt.widgets.Composite;
  37 import org.eclipse.swt.widgets.Label;
  38 import org.eclipse.swt.widgets.Text;
  39 import org.eclipse.ui.dialogs.ContainerSelectionDialog;
  40
  41 /**
  42  * The "New" wizard page allows setting the container for the new file as well
  43  * as the file name. The page will only accept file name without the extension
  44  * OR with the extension that matches the expected one (cs).
  45  */
  46
  47 public class PHPFileWizardPage extends WizardPage {
  48         private static final String INITIAL_FILENAME = "file.php";
  49
  50         private Text containerText;
  51
  52         private Text fileText;
  53
  54         private ISelection selection;
  55
  56         /**
  57          * Constructor for SampleNewWizardPage.
  58          *
  59          * @param pageName
  60          */
  61         public PHPFileWizardPage(ISelection selection) {
  62                 super("wizardPage");
  63                 setTitle(PHPWizardMessages.getString("WizardPage.title"));
  64                 setDescription(PHPWizardMessages.getString("WizardPage.description"));
  65                 this.selection = selection;
  66         }
  67
  68         /**
  69          * @see IDialogPage#createControl(Composite)
  70          */
  71         public void createControl(Composite parent) {
  72                 Composite container = new Composite(parent, SWT.NULL);
  73                 GridLayout layout = new GridLayout();
  74                 container.setLayout(layout);
  75                 layout.numColumns = 3;
  76                 layout.verticalSpacing = 9;
  77                 Label label = new Label(container, SWT.NULL);
  78                 label.setText(PHPWizardMessages.getString("WizardPage.containerLabel"));
  79
  80                 containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
  81                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
  82                 containerText.setLayoutData(gd);
  83                 containerText.addModifyListener(new ModifyListener() {
  84                         public void modifyText(ModifyEvent e) {
  85                                 dialogChanged();
  86                         }
  87                 });
  88
  89                 Button button = new Button(container, SWT.PUSH);
  90                 button.setText(PHPWizardMessages.getString("WizardPage.browseButtonText"));
  91                 button.addSelectionListener(new SelectionAdapter() {
  92                         public void widgetSelected(SelectionEvent e) {
  93                                 handleBrowse();
  94                         }
  95                 });
  96                 label = new Label(container, SWT.NULL);
  97                 label.setText(PHPWizardMessages.getString("WizardPage.fileLabel"));
  98
  99                 fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
 100                 gd = new GridData(GridData.FILL_HORIZONTAL);
 101                 fileText.setLayoutData(gd);
 102                 fileText.addModifyListener(new ModifyListener() {
 103                         public void modifyText(ModifyEvent e) {
 104                                 dialogChanged();
 105                         }
 106                 });
 107                 initialize();
 108                 dialogChanged();
 109                 setControl(container);
 110         }
 111
 112         /**
 113          * Tests if the current workbench selection is a suitable container to use.
 114          */
 115
 116         private void initialize() {
 117                 if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
 118                         IStructuredSelection ssel = (IStructuredSelection) selection;
 119                         if (ssel.size() > 1)
 120                                 return;
 121                         Object obj = ssel.getFirstElement();
 122                         if (obj instanceof IResource) {
 123                                 IContainer container;
 124                                 if (obj instanceof IContainer)
 125                                         container = (IContainer) obj;
 126                                 else
 127                                         container = ((IResource) obj).getParent();
 128                                 containerText.setText(container.getFullPath().toString());
 129                                 fileText.setFocus();
 130                         }
 131                 }
 132                 fileText.setText(INITIAL_FILENAME);
 133         }
 134
 135         /**
 136          * Uses the standard container selection dialog to choose the new value for
 137          * the container field.
 138          */
 139
 140         private void handleBrowse() {
 141                 ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
 142                                 PHPWizardMessages.getString("WizardPage.selectNewFileContainer"));
 143                 if (dialog.open() == ContainerSelectionDialog.OK) {
 144                         Object[] results = dialog.getResult();
 145                         if (results.length == 1) {
 146                                 Object result = results[0];
 147                                 if (result instanceof IPath) {
 148                                         IPath ipath = (IPath) result;
 149                                         containerText.setText(ipath.toString());
 150                                 }
 151                         }
 152                 }
 153         }
 154
 155         /**
 156          * Ensures that both text fields are set.
 157          */
 158         private void dialogChanged() {
 159                 String container = getContainerName();
 160                 String fileName = getFileName();
 161
 162                 if (container.length() == 0) {
 163                         updateStatus(PHPWizardMessages.getString("WizardPage.containerMustBeSpecified"));
 164                         return;
 165                 }
 166                 if (fileName.length() == 0) {
 167                         updateStatus("WizardPage.nameMustBeSpecified");
 168                         return;
 169                 }
 170
 171                 updateStatus(null);
 172         }
 173
 174         private void updateStatus(String message) {
 175                 setErrorMessage(message);
 176                 setPageComplete(message == null);
 177         }
 178
 179         public String getContainerName() {
 180                 return containerText.getText();
 181         }
 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                 IContainer container = getFileContainer();
 199                 if (container != null) {
 200                         IResource file = container.getFile(new Path(fileText.getText().trim()));
 201                         if (file != null && file.exists()) {
 202                                 this.setErrorMessage(PHPWizardMessages.getString("WizardPage.fileAlreadyExists"));
 203                                 return true;
 204                         }
 205
 206                         ((PHPFileWizard) this.getWizard()).setFileName(fileText.getText().trim());
 207                 }
 208                 return false;
 209         }
 210
 211         private IContainer getFileContainer() {
 212                 if (containerText.getText() != null) {
 213                         IPath containerPath = new Path(containerText.getText().trim());
 214                         IContainer container = null;
 215                         if (containerPath.segmentCount() > 1) {
 216                                 container = ResourcesPlugin.getWorkspace().getRoot().getFolder(containerPath);
 217                         } else {
 218                                 if (containerPath.segmentCount() == 1) {
 219                                         // this is a project
 220                                         container = ResourcesPlugin.getWorkspace().getRoot().getProject(containerText.getText().trim());
 221                                 }
 222                         }
 223                         if (container != null && container.exists()) {
 224                                 return container;
 225                         }
 226                 }
 227                 return null;
 228         }
 229
 230         public void setVisible(boolean visible) {
 231                 super.setVisible(visible);
 232                 if (visible) {
 233                         String fileName = fileText.getText().trim();
 234                         if (getFileContainer() != null && fileName.equalsIgnoreCase(INITIAL_FILENAME)) {
 235                                 fileText.setFocus();
 236                                 fileText.setText(fileName);
 237                                 fileText.setSelection(0, fileName.length() - (new Path(INITIAL_FILENAME)).getFileExtension().length() - 1);
 238                         }
 239                 }
 240         }
 241
 242 }