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