net.sourceforge.phpeclipse.webbrowser/src/org/eclipse/webbrowser/internal/ExternalBrowserDialog.java

   1 /**********************************************************************
   2  * Copyright (c) 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *    IBM - Initial API and implementation
  10  **********************************************************************/
  11 package org.eclipse.webbrowser.internal;
  12
  13 import java.io.File;
  14
  15 import org.eclipse.jface.dialogs.Dialog;
  16 import org.eclipse.jface.dialogs.IDialogConstants;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.events.ModifyEvent;
  19 import org.eclipse.swt.events.ModifyListener;
  20 import org.eclipse.swt.events.SelectionAdapter;
  21 import org.eclipse.swt.events.SelectionEvent;
  22 import org.eclipse.swt.layout.GridData;
  23 import org.eclipse.swt.layout.GridLayout;
  24 import org.eclipse.swt.widgets.Button;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Control;
  27 import org.eclipse.swt.widgets.FileDialog;
  28 import org.eclipse.swt.widgets.Label;
  29 import org.eclipse.swt.widgets.Shell;
  30 import org.eclipse.swt.widgets.Text;
  31 import org.eclipse.ui.help.WorkbenchHelp;
  32 import org.eclipse.webbrowser.IExternalWebBrowserWorkingCopy;
  33 /**
  34  *
  35  */
  36 public class ExternalBrowserDialog extends Dialog {
  37         protected IExternalWebBrowserWorkingCopy browser;
  38         protected boolean isEdit;
  39         protected Button newPageCheckbox;
  40         protected Button clearHistoryCheckbox;
  41         protected Button browseButton;
  42         protected Text browserNameTextfield;
  43         protected Text browserLocationTextfield;
  44         protected Text browserParametersTextfield;
  45         private Button okButton;
  46
  47         interface StringModifyListener {
  48                 public void valueChanged(String s);
  49         }
  50
  51         /**
  52          * @param parentShell
  53          */
  54         public ExternalBrowserDialog(Shell parentShell, IExternalWebBrowserWorkingCopy browser) {
  55                 super(parentShell);
  56                 this.browser = browser;
  57                 isEdit = true;
  58         }
  59
  60         public ExternalBrowserDialog(Shell parentShell) {
  61                 super(parentShell);
  62                 browser = BrowserManager.getInstance().createExternalWebBrowser();
  63                 isEdit = false;
  64         }
  65
  66         protected void configureShell(Shell shell) {
  67                 super.configureShell(shell);
  68
  69                 if (isEdit)
  70                         shell.setText(WebBrowserUIPlugin.getResource("%editExternalBrowser"));
  71                 else
  72                         shell.setText(WebBrowserUIPlugin.getResource("%createBrowser"));
  73         }
  74
  75         protected Text createText(Composite comp, String txt, final StringModifyListener listener) {
  76                 final Text text = new Text(comp, SWT.BORDER);
  77                 if (txt != null)
  78                         text.setText(txt);
  79                 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
  80                 data.widthHint = 250;
  81                 text.setLayoutData(data);
  82                 if (listener != null)
  83                         text.addModifyListener(new ModifyListener() {
  84                                 public void modifyText(ModifyEvent e) {
  85                                         listener.valueChanged(text.getText());
  86                                 }
  87                         });
  88                 return text;
  89         }
  90
  91         /* (non-Javadoc)
  92          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  93          */
  94         protected Control createDialogArea(Composite parent) {
  95                 Composite composite = (Composite) super.createDialogArea(parent);
  96                 ((GridLayout)composite.getLayout()).numColumns = 3;
  97
  98                 if (isEdit)
  99                         WorkbenchHelp.setHelp(composite, ContextIds.PREF_BROWSER_EXTERNAL_EDIT);
 100                 else
 101                         WorkbenchHelp.setHelp(composite, ContextIds.PREF_BROWSER_EXTERNAL_ADD);
 102
 103                 SWTUtil.createLabel(composite, WebBrowserUIPlugin.getResource("%name"));
 104                 browserNameTextfield = createText(composite, browser.getName(), new StringModifyListener() {
 105                         public void valueChanged(String s) {
 106                                 browser.setName(s);
 107                                 validateFields();
 108                         }
 109                 });
 110
 111                 new Label(composite, SWT.NONE);
 112
 113                 SWTUtil.createLabel(composite, WebBrowserUIPlugin.getResource("%location"));
 114                 browserLocationTextfield = createText(composite, browser.getLocation(), new StringModifyListener() {
 115                         public void valueChanged(String s) {
 116                                 browser.setLocation(s);
 117                                 validateFields();
 118                         }
 119                 });
 120
 121                 browseButton = SWTUtil.createButton(composite, WebBrowserUIPlugin.getResource("%browse"));
 122                 browseButton.addSelectionListener(new SelectionAdapter() {
 123                         public void widgetSelected(SelectionEvent e) {
 124                                 FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);
 125                                 dialog.setText(WebBrowserUIPlugin.getResource("%browseMessage"));
 126
 127                                 String fname = browserLocationTextfield.getText();
 128
 129                                 dialog.setFileName(fname);
 130                                 fname = dialog.open();
 131
 132                                 if (fname != null)
 133                                         browserLocationTextfield.setText(fname);
 134                         }
 135                 });
 136
 137                 SWTUtil.createLabel(composite, WebBrowserUIPlugin.getResource("%parameters"));
 138                 browserParametersTextfield = createText(composite, browser.getParameters(), new StringModifyListener() {
 139                         public void valueChanged(String s) {
 140                                 browser.setParameters(s);
 141                         }
 142                 });
 143
 144                 new Label(composite, SWT.NONE);
 145
 146                 new Label(composite, SWT.NONE);
 147                 Label urlLabel = new Label(composite, SWT.NONE);
 148                 urlLabel.setText(WebBrowserUIPlugin.getResource("%parametersMessage", WebBrowserPreference.URL_PARAMETER));
 149
 150
 151                 return composite;
 152         }
 153
 154         /* (non-Javadoc)
 155          * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 156          */
 157         protected void okPressed() {
 158                 // do simple field validation to at least ensure target directory entered is valid pathname
 159                 try {
 160                 File file = new File(browser.getLocation());
 161                         if(!file.isFile()){
 162                                 WebBrowserUtil.openError(WebBrowserUIPlugin.getResource("%locationInvalid"));
 163                                 return;
 164                         }
 165                 }
 166                 catch(Exception e){
 167                         WebBrowserUtil.openError(WebBrowserUIPlugin.getResource("%locationInvalid"));
 168                         return;
 169                 }
 170
 171                 browser.save();
 172                 super.okPressed();
 173         }
 174
 175         private void setOKButtonEnabled(boolean curIsEnabled) {
 176                 if (okButton == null)
 177                         okButton = getButton(IDialogConstants.OK_ID);
 178
 179                 if (okButton != null)
 180                         okButton.setEnabled(curIsEnabled);
 181         }
 182
 183         protected Control createButtonBar(Composite parent) {
 184                 Control buttonControl = super.createButtonBar(parent);
 185                 validateFields();
 186                 return buttonControl;
 187         }
 188
 189         protected void validateFields() {
 190                 boolean valid = true;
 191
 192                 String name = browserNameTextfield.getText();
 193                 if (name == null || name.trim().length() < 1)
 194                         valid = false;
 195
 196                 String location = browserLocationTextfield.getText();
 197                 if (location == null || location.trim().length() < 1)
 198                         valid = false;
 199
 200                 setOKButtonEnabled(valid);
 201         }
 202 }