net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/preferences/CompilerPropertyPage.java

   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.PlatformUI;
  40 import org.eclipse.ui.dialogs.PropertyPage;
  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
  49         private Control fConfigurationBlockControl;
  50
  51         private ControlEnableState fBlockEnableState;
  52
  53         private SelectionButtonDialogField fUseWorkspaceSettings;
  54
  55         private SelectionButtonDialogField fChangeWorkspaceSettings;
  56
  57         private SelectionButtonDialogField fUseProjectSettings;
  58
  59         private IStatus fBlockStatus;
  60
  61         public CompilerPropertyPage() {
  62                 fBlockStatus = new StatusInfo();
  63                 fBlockEnableState = null;
  64
  65                 IDialogFieldListener listener = new IDialogFieldListener() {
  66                         public void dialogFieldChanged(DialogField field) {
  67                                 doDialogFieldChanged(field);
  68                         }
  69                 };
  70
  71                 fUseWorkspaceSettings = new SelectionButtonDialogField(SWT.RADIO);
  72                 fUseWorkspaceSettings.setDialogFieldListener(listener);
  73                 fUseWorkspaceSettings.setLabelText(PreferencesMessages
  74                                 .getString("CompilerPropertyPage.useworkspacesettings.label")); //$NON-NLS-1$
  75
  76                 fChangeWorkspaceSettings = new SelectionButtonDialogField(SWT.PUSH);
  77                 fChangeWorkspaceSettings.setLabelText(PreferencesMessages
  78                                 .getString("CompilerPropertyPage.useworkspacesettings.change")); //$NON-NLS-1$
  79                 fChangeWorkspaceSettings.setDialogFieldListener(listener);
  80
  81                 fUseWorkspaceSettings.attachDialogField(fChangeWorkspaceSettings);
  82
  83                 fUseProjectSettings = new SelectionButtonDialogField(SWT.RADIO);
  84                 fUseProjectSettings.setDialogFieldListener(listener);
  85                 fUseProjectSettings.setLabelText(PreferencesMessages
  86                                 .getString("CompilerPropertyPage.useprojectsettings.label")); //$NON-NLS-1$
  87         }
  88
  89         /*
  90          * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  91          */
  92         public void createControl(Composite parent) {
  93                 super.createControl(parent);
  94                 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
  95                                 IJavaHelpContextIds.COMPILER_PROPERTY_PAGE);
  96         }
  97
  98         /*
  99          * @see org.eclipse.jface.preference.IPreferencePage#createContents(Composite)
 100          */
 101         protected Control createContents(Composite parent) {
 102                 IStatusChangeListener listener = new IStatusChangeListener() {
 103                         public void statusChanged(IStatus status) {
 104                                 fBlockStatus = status;
 105                                 doStatusChanged();
 106                         }
 107                 };
 108                 fConfigurationBlock = new CompilerConfigurationBlock(listener,
 109                                 getProject());
 110
 111                 Composite composite = new Composite(parent, SWT.NONE);
 112                 GridLayout layout = new GridLayout();
 113                 layout.marginHeight = 0;
 114                 layout.marginWidth = 0;
 115                 layout.numColumns = 2;
 116                 composite.setLayout(layout);
 117
 118                 fUseWorkspaceSettings.doFillIntoGrid(composite, 1);
 119                 LayoutUtil.setHorizontalGrabbing(fUseWorkspaceSettings
 120                                 .getSelectionButton(null));
 121
 122                 fChangeWorkspaceSettings.doFillIntoGrid(composite, 1);
 123
 124                 fUseProjectSettings.doFillIntoGrid(composite, 2);
 125
 126                 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL
 127                                 | GridData.VERTICAL_ALIGN_FILL);
 128                 data.horizontalSpan = 2;
 129
 130                 fConfigurationBlockControl = fConfigurationBlock
 131                                 .createContents(composite);
 132                 fConfigurationBlockControl.setLayoutData(data);
 133
 134                 boolean useProjectSettings = fConfigurationBlock
 135                                 .hasProjectSpecificOptions();
 136
 137                 fUseProjectSettings.setSelection(useProjectSettings);
 138                 fUseWorkspaceSettings.setSelection(!useProjectSettings);
 139
 140                 updateEnableState();
 141                 Dialog.applyDialogFont(composite);
 142                 return composite;
 143         }
 144
 145         private boolean useProjectSettings() {
 146                 return fUseProjectSettings.isSelected();
 147         }
 148
 149         private void doDialogFieldChanged(DialogField field) {
 150                 if (field == fChangeWorkspaceSettings) {
 151                         String id = "net.sourceforge.phpdt.ui.preferences.CompilerPreferencePage"; //$NON-NLS-1$
 152                         CompilerPreferencePage page = new CompilerPreferencePage();
 153                         showPreferencePage(id, page);
 154                 } else {
 155                         updateEnableState();
 156                         doStatusChanged();
 157                 }
 158         }
 159
 160         /**
 161          * Method statusChanged.
 162          */
 163         private void doStatusChanged() {
 164                 updateStatus(useProjectSettings() ? fBlockStatus : new StatusInfo());
 165         }
 166
 167         /**
 168          * Method getProject.
 169          */
 170         private IJavaProject getProject() {
 171                 return (IJavaProject) getElement().getAdapter(IJavaElement.class);
 172         }
 173
 174         private void updateEnableState() {
 175                 if (useProjectSettings()) {
 176                         if (fBlockEnableState != null) {
 177                                 fBlockEnableState.restore();
 178                                 fBlockEnableState = null;
 179                         }
 180                 } else {
 181                         if (fBlockEnableState == null) {
 182                                 fBlockEnableState = ControlEnableState
 183                                                 .disable(fConfigurationBlockControl);
 184                         }
 185                 }
 186         }
 187
 188         /*
 189          * @see org.eclipse.jface.preference.IPreferencePage#performDefaults()
 190          */
 191         protected void performDefaults() {
 192                 if (useProjectSettings()) {
 193                         fUseProjectSettings.setSelection(false);
 194                         fUseWorkspaceSettings.setSelection(true);
 195                         fConfigurationBlock.performDefaults();
 196                 }
 197                 super.performDefaults();
 198         }
 199
 200         /*
 201          * @see org.eclipse.jface.preference.IPreferencePage#performOk()
 202          */
 203         public boolean performOk() {
 204                 return fConfigurationBlock.performOk(useProjectSettings());
 205         }
 206
 207         private void updateStatus(IStatus status) {
 208                 setValid(!status.matches(IStatus.ERROR));
 209                 StatusUtil.applyToStatusLine(this, status);
 210         }
 211
 212         private boolean showPreferencePage(String id, IPreferencePage page) {
 213                 final IPreferenceNode targetNode = new PreferenceNode(id, page);
 214
 215                 PreferenceManager manager = new PreferenceManager();
 216                 manager.addToRoot(targetNode);
 217                 final PreferenceDialog dialog = new PreferenceDialog(getControl()
 218                                 .getShell(), manager);
 219                 final boolean[] result = new boolean[] { false };
 220                 BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() {
 221                         public void run() {
 222                                 dialog.create();
 223                                 dialog.setMessage(targetNode.getLabelText());
 224                                 result[0] = (dialog.open() == Window.OK);
 225                         }
 226                 });
 227                 return result[0];
 228         }
 229
 230 }