net.sourceforge.phpeclipse.webbrowser/src/net/sourceforge/phpeclipse/webbrowser/internal/BrowserTableComposite.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 net.sourceforge.phpeclipse.webbrowser.internal;
  12
  13 import java.util.Iterator;
  14
  15 import net.sourceforge.phpeclipse.webbrowser.IExternalWebBrowser;
  16 import net.sourceforge.phpeclipse.webbrowser.IExternalWebBrowserWorkingCopy;
  17 import net.sourceforge.phpeclipse.webbrowser.IInternalWebBrowser;
  18 import net.sourceforge.phpeclipse.webbrowser.IInternalWebBrowserWorkingCopy;
  19 import net.sourceforge.phpeclipse.webbrowser.IWebBrowser;
  20
  21 import org.eclipse.jface.viewers.*;
  22 import org.eclipse.jface.window.Window;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.events.SelectionAdapter;
  25 import org.eclipse.swt.events.SelectionEvent;
  26 import org.eclipse.swt.layout.GridData;
  27 import org.eclipse.swt.layout.GridLayout;
  28 import org.eclipse.swt.widgets.*;
  29 import org.eclipse.ui.help.WorkbenchHelp;
  30 import org.eclipse.jface.viewers.CheckStateChangedEvent;
  31 import org.eclipse.jface.viewers.CheckboxTableViewer;
  32 import org.eclipse.jface.viewers.ICheckStateListener;
  33 /**
  34  *
  35  */
  36 public class BrowserTableComposite extends Composite {
  37         protected Table table;
  38         protected CheckboxTableViewer tableViewer;
  39         protected Button edit;
  40         protected Button remove;
  41         protected Button search;
  42         protected IWebBrowser selection;
  43
  44         protected Label location;
  45         protected Label parameters;
  46
  47         public BrowserTableComposite(Composite parent, int style) {
  48                 super(parent, style);
  49                 createWidgets();
  50         }
  51
  52         protected void createWidgets() {
  53                 GridLayout layout = new GridLayout();
  54                 layout.horizontalSpacing = 5;
  55                 layout.verticalSpacing = 5;
  56                 layout.marginWidth = 0;
  57                 layout.marginHeight = 0;
  58                 layout.numColumns = 2;
  59                 setLayout(layout);
  60
  61                 GridData data = new GridData(GridData.FILL_BOTH);
  62                 setLayoutData(data);
  63
  64                 Label label = new Label(this, SWT.NONE);
  65                 label.setText(WebBrowserUIPlugin.getResource("%browserList"));
  66                 data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER);
  67                 data.horizontalSpan = 2;
  68                 label.setLayoutData(data);
  69
  70                 table = new Table(this, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.SINGLE | SWT.FULL_SELECTION);
  71                 data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
  72                 data.widthHint = 300;
  73                 table.setLayoutData(data);
  74                 table.setHeaderVisible(false);
  75                 table.setLinesVisible(false);
  76
  77                 TableLayout tableLayout = new TableLayout();
  78                 new TableColumn(table, SWT.NONE);
  79
  80                 tableLayout.addColumnData(new ColumnWeightData(100));
  81
  82                 table.setLayout(tableLayout);
  83
  84                 tableViewer = new CheckboxTableViewer(table);
  85
  86                 tableViewer.setContentProvider(new BrowserContentProvider());
  87                 tableViewer.setLabelProvider(new BrowserTableLabelProvider());
  88
  89                 tableViewer.setInput("root");
  90
  91                 // uncheck any other elements that might be checked and leave only the element checked to
  92                 // remain checked since one can only chose one brower at a time to be current.
  93                 tableViewer.addCheckStateListener(new ICheckStateListener() {
  94                         public void checkStateChanged(CheckStateChangedEvent e) {
  95                                 checkNewDefaultBrowser(e.getElement());
  96                                 IWebBrowser browser = (IWebBrowser) e.getElement();
  97                                 BrowserManager.getInstance().setCurrentWebBrowser(browser);
  98
  99                                 // if no other browsers are checked, don't allow the single one currently
 100                                 // checked to become unchecked, and lose a current browser. That is, don't
 101                                 // permit unchecking if no other item is checked which is supposed to be the case.
 102                                 Object[] obj = tableViewer.getCheckedElements();
 103                            if (obj.length == 0)
 104                                 tableViewer.setChecked(e.getElement(), true);
 105                         }
 106                 });
 107
 108                 // set a default, checked browser based on the current browser. If there is not a
 109                 // current browser, but the first item exists, use that instead.
 110                 // This will work currently until workbench shutdown, because current browser is not yet persisted.
 111                 IWebBrowser browser = BrowserManager.getInstance().getCurrentWebBrowser();
 112                 if (browser != null)
 113                         tableViewer.setChecked(browser, true);
 114                 else {
 115                         Object obj = tableViewer.getElementAt(0);
 116                         if (obj != null)
 117                                 tableViewer.setChecked(obj, true);
 118                 }
 119
 120                 tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 121                         public void selectionChanged(SelectionChangedEvent event) {
 122                                 Object obj = getSelection(event.getSelection());
 123
 124                                 if (obj instanceof IInternalWebBrowser) {
 125                                         selection = (IInternalWebBrowser) obj;
 126                                         remove.setEnabled(false);
 127                                         edit.setEnabled(true);
 128                                 } else if (obj instanceof IExternalWebBrowser) {
 129                                         selection = (IExternalWebBrowser) obj;
 130                                         remove.setEnabled(true);
 131                                         edit.setEnabled(true);
 132                                 } else
 133                                         selection = null;
 134
 135                                 if (selection == null) {
 136                                         edit.setEnabled(false);
 137                                         remove.setEnabled(false);
 138                                 }
 139                         }
 140                 });
 141
 142                 Composite buttonComp = new Composite(this, SWT.NONE);
 143                 layout = new GridLayout();
 144                 layout.horizontalSpacing = 0;
 145                 layout.verticalSpacing = 5;
 146                 layout.marginWidth = 0;
 147                 layout.marginHeight = 0;
 148                 layout.numColumns = 1;
 149                 buttonComp.setLayout(layout);
 150                 data = new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.VERTICAL_ALIGN_FILL);
 151                 buttonComp.setLayoutData(data);
 152
 153                 Button add = SWTUtil.createButton(buttonComp, WebBrowserUIPlugin.getResource("%add"));
 154                 add.addSelectionListener(new SelectionAdapter() {
 155                         public void widgetSelected(SelectionEvent e) {
 156                                 ExternalBrowserDialog dialog = new ExternalBrowserDialog(getShell());
 157                                 if (dialog.open() == Window.CANCEL)
 158                                         return;
 159                                 tableViewer.refresh();
 160                         }
 161                 });
 162
 163                 edit = SWTUtil.createButton(buttonComp, WebBrowserUIPlugin.getResource("%edit"));
 164                 edit.addSelectionListener(new SelectionAdapter() {
 165                         public void widgetSelected(SelectionEvent e) {
 166                                 IWebBrowser browser2 = getSelectedWebBrowser();
 167
 168                                 if (browser2 instanceof IInternalWebBrowser) {
 169                                         IInternalWebBrowserWorkingCopy wc = ((IInternalWebBrowser) browser2).getWorkingCopy();
 170                                         InternalBrowserDialog dialog = new InternalBrowserDialog(getShell(), wc);
 171                                         if (dialog.open() != Window.CANCEL) {
 172                                                 try {
 173                                                         tableViewer.refresh(wc.save());
 174                                                 } catch (Exception ex) { }
 175                                         }
 176                                 }
 177                                 else if(browser2 instanceof IExternalWebBrowser) {
 178                                         IExternalWebBrowserWorkingCopy wc = ((IExternalWebBrowser) browser2).getWorkingCopy();
 179                                         ExternalBrowserDialog dialog = new ExternalBrowserDialog(getShell(), wc);
 180                                         if (dialog.open() != Window.CANCEL) {
 181                                                 try {
 182                                                         tableViewer.refresh(wc.save());
 183                                                 } catch (Exception ex) { }
 184                                         }
 185                                 }
 186                    }
 187                 });
 188                 edit.setEnabled(false);
 189
 190                 remove = SWTUtil.createButton(buttonComp, WebBrowserUIPlugin.getResource("%remove"));
 191                 remove.addSelectionListener(new SelectionAdapter() {
 192                         public void widgetSelected(SelectionEvent e) {
 193                                 IWebBrowser browser2 = getSelectedWebBrowser();
 194                                 try {
 195                                         if (browser2 instanceof IInternalWebBrowser){
 196                                                 remove.setEnabled(false);
 197                                                 return; // nothing else possible to do
 198                     }
 199                                         else if(browser2 instanceof IExternalWebBrowser) {
 200                                                 remove.setEnabled(true);
 201                        ((IExternalWebBrowser) browser2).delete();
 202
 203                                                 tableViewer.remove(browser2);
 204
 205                                                 // need here to ensure that if the item deleted was checked, ie, was
 206                                                 // the current browser, that the new current browser will be the first in the
 207                                                 // list, typically, the internal browser, which cannot be deleted, and be current.
 208                                                 if(((IExternalWebBrowser) browser2) == BrowserManager.getInstance().getCurrentWebBrowser()){
 209                                                         Object obj = tableViewer.getElementAt(0);
 210                                                                 if(obj != null){
 211                                                                         BrowserManager.getInstance().setCurrentWebBrowser((InternalWebBrowser)obj);
 212                                                                         tableViewer.setChecked(obj, true);
 213                                                                 }
 214                                                 }
 215                                         }
 216                                 } catch (Exception ex) { }
 217                         }
 218                 });
 219                 remove.setEnabled(false);
 220
 221                 search = SWTUtil.createButton(buttonComp, WebBrowserUIPlugin.getResource("%search"));
 222                 search.addSelectionListener(new SelectionAdapter() {
 223                         public void widgetSelected(SelectionEvent e) {
 224                                 java.util.List browsersToCreate = BrowserSearcher.search(getShell());
 225
 226                                 if (browsersToCreate == null) // cancelled
 227                                         return;
 228
 229                                 if (browsersToCreate.isEmpty()) { // no browsers found
 230                                         WebBrowserUtil.openMessage(WebBrowserUIPlugin.getResource("%searchingNoneFound"));
 231                                         return;
 232                                 }
 233
 234                                 Iterator iterator = browsersToCreate.iterator();
 235                                 while (iterator.hasNext()) {
 236                                         IExternalWebBrowserWorkingCopy browser2 = (IExternalWebBrowserWorkingCopy) iterator.next();
 237                                         browser2.save();
 238                                 }
 239                                 tableViewer.refresh();
 240                         }
 241                 });
 242                 WorkbenchHelp.setHelp(search, ContextIds.PREF_BROWSER_EXTERNAL_SEARCH);
 243
 244                 tableViewer.addCheckStateListener(new ICheckStateListener() {
 245                         public void checkStateChanged(CheckStateChangedEvent e) {
 246                                 checkNewDefaultBrowser(e.getElement());
 247                                 IWebBrowser browser2 = (IWebBrowser) e.getElement();
 248                                 BrowserManager.getInstance().setCurrentWebBrowser(browser2);
 249                         }
 250                 });
 251                 search.setEnabled(true);
 252         }
 253
 254         public IWebBrowser getSelectedWebBrowser() {
 255                 return selection;
 256         }
 257
 258         protected Object getSelection(ISelection sel2) {
 259                 IStructuredSelection sel = (IStructuredSelection) sel2;
 260                 return sel.getFirstElement();
 261         }
 262
 263         // Uncheck all the items except the current one that was just checked
 264         protected void checkNewDefaultBrowser(Object browser) {
 265                 TableItem[] children = tableViewer.getTable().getItems();
 266                 for (int i = 0; i < children.length; i++) {
 267                         TableItem item = children[i];
 268
 269                         if (!(item.getData().equals(browser)))
 270                                 item.setChecked(false);
 271                 }
 272         }
 273 }