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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
      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 
     17 package com.android.ide.eclipse.monitor;
     18 
     19 import com.android.ide.eclipse.monitor.SdkToolsLocator.SdkInstallStatus;
     20 
     21 import org.eclipse.jface.dialogs.Dialog;
     22 import org.eclipse.jface.dialogs.IDialogConstants;
     23 import org.eclipse.jface.layout.GridDataFactory;
     24 import org.eclipse.swt.SWT;
     25 import org.eclipse.swt.events.ModifyEvent;
     26 import org.eclipse.swt.events.ModifyListener;
     27 import org.eclipse.swt.events.SelectionAdapter;
     28 import org.eclipse.swt.events.SelectionEvent;
     29 import org.eclipse.swt.layout.GridData;
     30 import org.eclipse.swt.layout.GridLayout;
     31 import org.eclipse.swt.widgets.Button;
     32 import org.eclipse.swt.widgets.Composite;
     33 import org.eclipse.swt.widgets.Control;
     34 import org.eclipse.swt.widgets.DirectoryDialog;
     35 import org.eclipse.swt.widgets.Label;
     36 import org.eclipse.swt.widgets.Shell;
     37 import org.eclipse.swt.widgets.Text;
     38 
     39 import java.io.File;
     40 
     41 public class SdkLocationChooserDialog extends Dialog {
     42     private static final String TITLE = "Android Device Monitor";
     43     private static final String DEFAULT_MESSAGE = "Provide the path to the Android SDK";
     44 
     45     private Label mStatusLabel;
     46     private Text mTextBox;
     47     private String mPath;
     48 
     49     public SdkLocationChooserDialog(Shell parentShell) {
     50         super(parentShell);
     51     }
     52 
     53     @Override
     54     protected Control createDialogArea(Composite parent) {
     55         getShell().setText(TITLE);
     56 
     57         Composite c = new Composite((Composite) super.createDialogArea(parent), SWT.NONE);
     58         c.setLayout(new GridLayout(2, false));
     59         c.setLayoutData(new GridData(GridData.FILL_BOTH));
     60 
     61         Label l = new Label(c, SWT.NONE);
     62         l.setText(DEFAULT_MESSAGE);
     63         GridDataFactory.fillDefaults().span(2, 1).applyTo(l);
     64 
     65         mTextBox = new Text(c, SWT.BORDER);
     66         mTextBox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
     67         GridDataFactory.fillDefaults()
     68                        .hint(SwtUtils.getFontWidth(mTextBox) * 80, SWT.DEFAULT)
     69                        .applyTo(mTextBox);
     70         mTextBox.addModifyListener(new ModifyListener() {
     71             @Override
     72             public void modifyText(ModifyEvent e) {
     73                 validateInstall();
     74             }
     75         });
     76 
     77         Button browse = new Button(c, SWT.PUSH);
     78         browse.setText("Browse");
     79         browse.addSelectionListener(new SelectionAdapter() {
     80             @Override
     81             public void widgetSelected(SelectionEvent e) {
     82                 DirectoryDialog dlg = new DirectoryDialog(getShell(), SWT.OPEN);
     83                 dlg.setText("Android SDK location");
     84                 String dir = dlg.open();
     85                 if (dir != null) {
     86                     mTextBox.setText(dir);
     87                     validateInstall();
     88                 }
     89             }
     90         });
     91 
     92         mStatusLabel = new Label(c, SWT.WRAP);
     93         mStatusLabel.setText("");
     94         mStatusLabel.setForeground(getShell().getDisplay().getSystemColor(SWT.COLOR_RED));
     95         GridDataFactory.fillDefaults().span(2, 1).applyTo(mStatusLabel);
     96 
     97         return super.createDialogArea(parent);
     98     }
     99 
    100     private void validateInstall() {
    101         SdkToolsLocator locator = new SdkToolsLocator(new File(mTextBox.getText()));
    102         SdkInstallStatus status = locator.isValidInstallation();
    103         if (status.isValid()) {
    104             mStatusLabel.setText("");
    105             getButton(IDialogConstants.OK_ID).setEnabled(true);
    106         } else {
    107             mStatusLabel.setText(status.getErrorMessage());
    108             mStatusLabel.pack();
    109             getButton(IDialogConstants.OK_ID).setEnabled(false);
    110         }
    111     }
    112 
    113     @Override
    114     public boolean close() {
    115         mPath = mTextBox.getText();
    116         return super.close();
    117     }
    118 
    119     public String getPath() {
    120         return mPath;
    121     }
    122 }
    123