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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.eclipse.org/org/documents/epl-v10.php
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.ide.eclipse.adt.internal.wizards.templates;
     17 
     18 import org.eclipse.jface.dialogs.IMessageProvider;
     19 import org.eclipse.jface.wizard.WizardPage;
     20 import org.eclipse.swt.SWT;
     21 import org.eclipse.swt.events.ModifyEvent;
     22 import org.eclipse.swt.events.ModifyListener;
     23 import org.eclipse.swt.events.SelectionEvent;
     24 import org.eclipse.swt.events.SelectionListener;
     25 import org.eclipse.swt.layout.GridData;
     26 import org.eclipse.swt.layout.GridLayout;
     27 import org.eclipse.swt.widgets.Button;
     28 import org.eclipse.swt.widgets.Composite;
     29 import org.eclipse.swt.widgets.DirectoryDialog;
     30 import org.eclipse.swt.widgets.Label;
     31 import org.eclipse.swt.widgets.Text;
     32 
     33 import java.io.File;
     34 
     35 /** For template developers: Test local template directory */
     36 public class TemplateTestPage extends WizardPage
     37         implements SelectionListener, ModifyListener {
     38     private Text mLocation;
     39     private Button mButton;
     40     private static String sLocation; // Persist between repeated invocations
     41     private Button mProjectToggle;
     42     private File mTemplate;
     43 
     44     TemplateTestPage() {
     45         super("testWizardPage"); //$NON-NLS-1$
     46         setTitle("Wizard Tester");
     47         setDescription("Test a new template");
     48     }
     49 
     50     @SuppressWarnings("unused") // SWT constructors have side effects and aren't unused
     51     @Override
     52     public void createControl(Composite parent) {
     53         Composite container = new Composite(parent, SWT.NULL);
     54         setControl(container);
     55         container.setLayout(new GridLayout(3, false));
     56 
     57         Label label = new Label(container, SWT.NONE);
     58         label.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
     59         label.setText("Template Location:");
     60 
     61         mLocation = new Text(container, SWT.BORDER);
     62         GridData gd_mLocation = new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1);
     63         gd_mLocation.widthHint = 400;
     64         mLocation.setLayoutData(gd_mLocation);
     65         if (sLocation != null) {
     66             mLocation.setText(sLocation);
     67         }
     68         mLocation.addModifyListener(this);
     69 
     70         mButton = new Button(container, SWT.FLAT);
     71         mButton.setText("...");
     72 
     73         mProjectToggle = new Button(container, SWT.CHECK);
     74         mProjectToggle.setEnabled(false);
     75         mProjectToggle.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1));
     76         mProjectToggle.setText("Full project template");
     77         new Label(container, SWT.NONE);
     78         mButton.addSelectionListener(this);
     79     }
     80 
     81     @Override
     82     public void setVisible(boolean visible) {
     83         super.setVisible(visible);
     84         validatePage();
     85     }
     86 
     87     private boolean validatePage() {
     88         String error = null;
     89 
     90         String path = mLocation.getText().trim();
     91         if (path == null || path.length() == 0) {
     92             error = "Select a template directory";
     93             mTemplate = null;
     94         } else {
     95             mTemplate = new File(path);
     96             if (!mTemplate.exists()) {
     97                 error = String.format("%1$s does not exist", path);
     98             } else {
     99                 // Preserve across wizard sessions
    100                 sLocation = path;
    101 
    102                 if (mTemplate.isDirectory()) {
    103                     if (!new File(mTemplate, TemplateHandler.TEMPLATE_XML).exists()) {
    104                         error = String.format("Not a template: missing template.xml file in %1$s ",
    105                                 path);
    106                     }
    107                 } else {
    108                     if (mTemplate.getName().equals(TemplateHandler.TEMPLATE_XML)) {
    109                         mTemplate = mTemplate.getParentFile();
    110                     } else {
    111                         error = String.format("Select a directory containing a template");
    112                     }
    113                 }
    114             }
    115         }
    116 
    117         setPageComplete(error == null);
    118         if (error != null) {
    119             setMessage(error, IMessageProvider.ERROR);
    120         } else {
    121             setErrorMessage(null);
    122             setMessage(null);
    123         }
    124 
    125         return error == null;
    126     }
    127 
    128     @Override
    129     public void modifyText(ModifyEvent e) {
    130         validatePage();
    131     }
    132 
    133     @Override
    134     public void widgetSelected(SelectionEvent e) {
    135         if (e.getSource() == mButton) {
    136             DirectoryDialog dialog = new DirectoryDialog(mButton.getShell(), SWT.OPEN);
    137             String path = mLocation.getText().trim();
    138             if (path.length() > 0) {
    139                 dialog.setFilterPath(path);
    140             }
    141             String file = dialog.open();
    142             if (file != null) {
    143                 mLocation.setText(file);
    144             }
    145         }
    146 
    147         validatePage();
    148     }
    149 
    150     File getLocation() {
    151         return mTemplate;
    152     }
    153 
    154     boolean isProjectTemplate() {
    155         return mProjectToggle.getSelection();
    156     }
    157 
    158     @Override
    159     public void widgetDefaultSelected(SelectionEvent e) {
    160     }
    161 }
    162