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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 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 Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.preferences;
  12
  13 import org.eclipse.core.runtime.IStatus;
  14
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.custom.BusyIndicator;
  17 import org.eclipse.swt.layout.GridData;
  18 import org.eclipse.swt.layout.GridLayout;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Control;
  21
  22 import org.eclipse.jface.dialogs.ControlEnableState;
  23 import org.eclipse.jface.dialogs.Dialog;
  24 import org.eclipse.jface.preference.IPreferenceNode;
  25 import org.eclipse.jface.preference.IPreferencePage;
  26 import org.eclipse.jface.preference.PreferenceDialog;
  27 import org.eclipse.jface.preference.PreferenceManager;
  28 import org.eclipse.jface.preference.PreferenceNode;
  29 import org.eclipse.jface.window.Window;
  30
  31 import org.eclipse.ui.dialogs.PropertyPage;
  32 import org.eclipse.ui.help.WorkbenchHelp;
  33
  34 import net.sourceforge.phpdt.core.IJavaElement;
  35 import net.sourceforge.phpdt.core.IJavaProject;
  36
  37 import net.sourceforge.phpdt.internal.ui.IJavaHelpContextIds;
  38 import net.sourceforge.phpdt.internal.ui.dialogs.StatusInfo;
  39 import net.sourceforge.phpdt.internal.ui.dialogs.StatusUtil;
  40 import net.sourceforge.phpdt.internal.ui.wizards.IStatusChangeListener;
  41 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.DialogField;
  42 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
  43 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.LayoutUtil;
  44 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
  45
  46 /**
  47  * Property page used to configure project specific compiler settings
  48  */
  49 public class CompilerPropertyPage extends PropertyPage {
  50
  51         private CompilerConfigurationBlock fConfigurationBlock;
  52         private Control fConfigurationBlockControl;
  53         private ControlEnableState fBlockEnableState;
  54         private SelectionButtonDialogField fUseWorkspaceSettings;
  55         private SelectionButtonDialogField fChangeWorkspaceSettings;
  56         private SelectionButtonDialogField fUseProjectSettings;
  57         private IStatus fBlockStatus;
  58
  59
  60         public CompilerPropertyPage() {
  61                 fBlockStatus= new StatusInfo();
  62                 fBlockEnableState= null;
  63
  64                 IDialogFieldListener listener= new IDialogFieldListener() {
  65                         public void dialogFieldChanged(DialogField field) {
  66                                 doDialogFieldChanged(field);
  67                         }
  68                 };
  69
  70                 fUseWorkspaceSettings= new SelectionButtonDialogField(SWT.RADIO);
  71                 fUseWorkspaceSettings.setDialogFieldListener(listener);
  72                 fUseWorkspaceSettings.setLabelText(PreferencesMessages.getString("CompilerPropertyPage.useworkspacesettings.label")); //$NON-NLS-1$
  73
  74                 fChangeWorkspaceSettings= new SelectionButtonDialogField(SWT.PUSH);
  75                 fChangeWorkspaceSettings.setLabelText(PreferencesMessages.getString("CompilerPropertyPage.useworkspacesettings.change")); //$NON-NLS-1$
  76                 fChangeWorkspaceSettings.setDialogFieldListener(listener);
  77
  78                 fUseWorkspaceSettings.attachDialogField(fChangeWorkspaceSettings);
  79
  80                 fUseProjectSettings= new SelectionButtonDialogField(SWT.RADIO);
  81                 fUseProjectSettings.setDialogFieldListener(listener);
  82                 fUseProjectSettings.setLabelText(PreferencesMessages.getString("CompilerPropertyPage.useprojectsettings.label")); //$NON-NLS-1$
  83         }
  84
  85         /*
  86          * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  87          */
  88         public void createControl(Composite parent) {
  89                 super.createControl(parent);
  90                 WorkbenchHelp.setHelp(getControl(), IJavaHelpContextIds.COMPILER_PROPERTY_PAGE);
  91         }
  92
  93         /*
  94          * @see org.eclipse.jface.preference.IPreferencePage#createContents(Composite)
  95          */
  96         protected Control createContents(Composite parent) {
  97                 IStatusChangeListener listener= new IStatusChangeListener() {
  98                         public void statusChanged(IStatus status) {
  99                                 fBlockStatus= status;
 100                                 doStatusChanged();
 101                         }
 102                 };
 103                 fConfigurationBlock= new CompilerConfigurationBlock(listener, getProject());
 104
 105                 Composite composite= new Composite(parent, SWT.NONE);
 106                 GridLayout layout= new GridLayout();
 107                 layout.marginHeight= 0;
 108                 layout.marginWidth= 0;
 109                 layout.numColumns= 2;
 110                 composite.setLayout(layout);
 111
 112                 fUseWorkspaceSettings.doFillIntoGrid(composite, 1);
 113                 LayoutUtil.setHorizontalGrabbing(fUseWorkspaceSettings.getSelectionButton(null));
 114
 115                 fChangeWorkspaceSettings.doFillIntoGrid(composite, 1);
 116
 117                 fUseProjectSettings.doFillIntoGrid(composite, 2);
 118
 119                 GridData data= new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL );
 120                 data.horizontalSpan= 2;
 121
 122                 fConfigurationBlockControl= fConfigurationBlock.createContents(composite);
 123                 fConfigurationBlockControl.setLayoutData(data);
 124
 125                 boolean useProjectSettings= fConfigurationBlock.hasProjectSpecificOptions();
 126
 127                 fUseProjectSettings.setSelection(useProjectSettings);
 128                 fUseWorkspaceSettings.setSelection(!useProjectSettings);
 129
 130                 updateEnableState();
 131                 Dialog.applyDialogFont(composite);
 132                 return composite;
 133         }
 134
 135         private boolean useProjectSettings() {
 136                 return fUseProjectSettings.isSelected();
 137         }
 138
 139         private void doDialogFieldChanged(DialogField field) {
 140                 if (field == fChangeWorkspaceSettings) {
 141                         String id= "net.sourceforge.phpdt.ui.preferences.CompilerPreferencePage"; //$NON-NLS-1$
 142                         CompilerPreferencePage page= new CompilerPreferencePage();
 143                         showPreferencePage(id, page);
 144                 } else {
 145                         updateEnableState();
 146                         doStatusChanged();
 147                 }
 148         }
 149         /**
 150          * Method statusChanged.
 151          */
 152         private void doStatusChanged() {
 153                 updateStatus(useProjectSettings() ? fBlockStatus : new StatusInfo());
 154         }
 155
 156         /**
 157          * Method getProject.
 158          */
 159         private IJavaProject getProject() {
 160                 return (IJavaProject) getElement().getAdapter(IJavaElement.class);
 161         }
 162
 163         private void updateEnableState() {
 164                 if (useProjectSettings()) {
 165                         if (fBlockEnableState != null) {
 166                                 fBlockEnableState.restore();
 167                                 fBlockEnableState= null;
 168                         }
 169                 } else {
 170                         if (fBlockEnableState == null) {
 171                                 fBlockEnableState= ControlEnableState.disable(fConfigurationBlockControl);
 172                         }
 173                 }
 174         }
 175
 176         /*
 177          * @see org.eclipse.jface.preference.IPreferencePage#performDefaults()
 178          */
 179         protected void performDefaults() {
 180                 if (useProjectSettings()) {
 181                         fUseProjectSettings.setSelection(false);
 182                         fUseWorkspaceSettings.setSelection(true);
 183                         fConfigurationBlock.performDefaults();
 184                 }
 185                 super.performDefaults();
 186         }
 187
 188         /*
 189          * @see org.eclipse.jface.preference.IPreferencePage#performOk()
 190          */
 191         public boolean performOk() {
 192                 return fConfigurationBlock.performOk(useProjectSettings());
 193         }
 194
 195         private void updateStatus(IStatus status) {
 196                 setValid(!status.matches(IStatus.ERROR));
 197                 StatusUtil.applyToStatusLine(this, status);
 198         }
 199
 200         private boolean showPreferencePage(String id, IPreferencePage page) {
 201                 final IPreferenceNode targetNode = new PreferenceNode(id, page);
 202
 203                 PreferenceManager manager = new PreferenceManager();
 204                 manager.addToRoot(targetNode);
 205                 final PreferenceDialog dialog = new PreferenceDialog(getControl().getShell(), manager);
 206                 final boolean [] result = new boolean[] { false };
 207                 BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() {
 208                         public void run() {
 209                                 dialog.create();
 210                                 dialog.setMessage(targetNode.getLabelText());
 211                                 result[0]= (dialog.open() == Window.OK);
 212                         }
 213                 });
 214                 return result[0];
 215         }
 216
 217 }