net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/ui/wizards/NewClassWizardPage.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.ui.wizards;
  12
  13 import net.sourceforge.phpdt.core.IJavaElement;
  14 import net.sourceforge.phpdt.internal.ui.wizards.NewWizardMessages;
  15 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.DialogField;
  16 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.LayoutUtil;
  17 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.SelectionButtonDialogFieldGroup;
  18
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.jface.dialogs.Dialog;
  21 import org.eclipse.jface.dialogs.IDialogSettings;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.layout.GridLayout;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Control;
  27
  28 /**
  29  * Wizard page to create a new class.
  30  * <p>
  31  * Note: This class is not intended to be subclassed. To implement a different
  32  * kind of a new class wizard page, extend <code>NewTypeWizardPage</code>.
  33  * </p>
  34  *
  35  * @since 2.0
  36  */
  37 public class NewClassWizardPage extends NewTypeWizardPage {
  38
  39         private final static String PAGE_NAME = "NewClassWizardPage"; //$NON-NLS-1$
  40
  41         private final static String SETTINGS_CREATEMAIN = "create_main"; //$NON-NLS-1$
  42
  43         private final static String SETTINGS_CREATECONSTR = "create_constructor"; //$NON-NLS-1$
  44
  45         private final static String SETTINGS_CREATEUNIMPLEMENTED = "create_unimplemented"; //$NON-NLS-1$
  46
  47         private SelectionButtonDialogFieldGroup fMethodStubsButtons;
  48
  49         /**
  50          * Creates a new <code>NewClassWizardPage</code>
  51          */
  52         public NewClassWizardPage() {
  53                 super(true, PAGE_NAME);
  54
  55                 setTitle(NewWizardMessages.getString("NewClassWizardPage.title")); //$NON-NLS-1$
  56                 setDescription(NewWizardMessages
  57                                 .getString("NewClassWizardPage.description")); //$NON-NLS-1$
  58
  59                 String[] buttonNames3 = new String[] {
  60                                 NewWizardMessages.getString("NewClassWizardPage.methods.main"), NewWizardMessages.getString("NewClassWizardPage.methods.constructors"), //$NON-NLS-1$ //$NON-NLS-2$
  61                                 NewWizardMessages
  62                                                 .getString("NewClassWizardPage.methods.inherited") //$NON-NLS-1$
  63                 };
  64                 fMethodStubsButtons = new SelectionButtonDialogFieldGroup(SWT.CHECK,
  65                                 buttonNames3, 1);
  66                 fMethodStubsButtons.setLabelText(NewWizardMessages
  67                                 .getString("NewClassWizardPage.methods.label")); //$NON-NLS-1$
  68         }
  69
  70         // -------- Initialization ---------
  71
  72         /**
  73          * The wizard owning this page is responsible for calling this method with
  74          * the current selection. The selection is used to initialize the fields of
  75          * the wizard page.
  76          *
  77          * @param selection
  78          *            used to initialize the fields
  79          */
  80         public void init(IStructuredSelection selection) {
  81                 IJavaElement jelem = getInitialJavaElement(selection);
  82                 initContainerPage(jelem);
  83                 initTypePage(jelem);
  84                 doStatusUpdate();
  85
  86                 boolean createMain = false;
  87                 boolean createConstructors = false;
  88                 boolean createUnimplemented = true;
  89                 IDialogSettings section = getDialogSettings().getSection(PAGE_NAME);
  90                 if (section != null) {
  91                         createMain = section.getBoolean(SETTINGS_CREATEMAIN);
  92                         createConstructors = section.getBoolean(SETTINGS_CREATECONSTR);
  93                         createUnimplemented = section
  94                                         .getBoolean(SETTINGS_CREATEUNIMPLEMENTED);
  95                 }
  96
  97                 setMethodStubSelection(createMain, createConstructors,
  98                                 createUnimplemented, true);
  99         }
 100
 101         // ------ validation --------
 102         private void doStatusUpdate() {
 103                 // status of all used components
 104                 IStatus[] status = new IStatus[] {
 105                                 fContainerStatus,
 106                                 isEnclosingTypeSelected() ? fEnclosingTypeStatus
 107                                                 : fPackageStatus, fTypeNameStatus, fModifierStatus,
 108                 // fSuperClassStatus,
 109                 // fSuperInterfacesStatus
 110                 };
 111
 112                 // the mode severe status will be displayed and the ok button
 113                 // enabled/disabled.
 114                 updateStatus(status);
 115         }
 116
 117         /*
 118          * @see NewContainerWizardPage#handleFieldChanged
 119          */
 120         protected void handleFieldChanged(String fieldName) {
 121                 super.handleFieldChanged(fieldName);
 122
 123                 doStatusUpdate();
 124         }
 125
 126         // ------ ui --------
 127
 128         /*
 129          * @see WizardPage#createControl
 130          */
 131         public void createControl(Composite parent) {
 132                 initializeDialogUnits(parent);
 133
 134                 Composite composite = new Composite(parent, SWT.NONE);
 135
 136                 int nColumns = 4;
 137
 138                 GridLayout layout = new GridLayout();
 139                 layout.numColumns = nColumns;
 140                 composite.setLayout(layout);
 141
 142                 // pick & choose the wanted UI components
 143
 144                 createContainerControls(composite, nColumns);
 145                 createPackageControls(composite, nColumns);
 146                 createEnclosingTypeControls(composite, nColumns);
 147
 148                 createSeparator(composite, nColumns);
 149
 150                 createTypeNameControls(composite, nColumns);
 151                 createModifierControls(composite, nColumns);
 152
 153                 createSuperClassControls(composite, nColumns);
 154                 createSuperInterfacesControls(composite, nColumns);
 155
 156                 createMethodStubSelectionControls(composite, nColumns);
 157
 158                 setControl(composite);
 159
 160                 Dialog.applyDialogFont(composite);
 161                 // WorkbenchHelp.setHelp(composite,
 162                 // IJavaHelpContextIds.NEW_CLASS_WIZARD_PAGE);
 163         }
 164
 165         /*
 166          * @see WizardPage#becomesVisible
 167          */
 168         public void setVisible(boolean visible) {
 169                 super.setVisible(visible);
 170                 if (visible) {
 171                         setFocus();
 172                 }
 173         }
 174
 175         private void createMethodStubSelectionControls(Composite composite,
 176                         int nColumns) {
 177                 Control labelControl = fMethodStubsButtons.getLabelControl(composite);
 178                 LayoutUtil.setHorizontalSpan(labelControl, nColumns);
 179
 180                 DialogField.createEmptySpace(composite);
 181
 182                 Control buttonGroup = fMethodStubsButtons
 183                                 .getSelectionButtonsGroup(composite);
 184                 LayoutUtil.setHorizontalSpan(buttonGroup, nColumns - 1);
 185         }
 186
 187         /**
 188          * Returns the current selection state of the 'Create Main' checkbox.
 189          *
 190          * @return the selection state of the 'Create Main' checkbox
 191          */
 192         public boolean isCreateMain() {
 193                 return fMethodStubsButtons.isSelected(0);
 194         }
 195
 196         /**
 197          * Returns the current selection state of the 'Create Constructors'
 198          * checkbox.
 199          *
 200          * @return the selection state of the 'Create Constructors' checkbox
 201          */
 202         public boolean isCreateConstructors() {
 203                 return fMethodStubsButtons.isSelected(1);
 204         }
 205
 206         /**
 207          * Returns the current selection state of the 'Create inherited abstract
 208          * methods' checkbox.
 209          *
 210          * @return the selection state of the 'Create inherited abstract methods'
 211          *         checkbox
 212          */
 213         public boolean isCreateInherited() {
 214                 return fMethodStubsButtons.isSelected(2);
 215         }
 216
 217         /**
 218          * Sets the selection state of the method stub checkboxes.
 219          *
 220          * @param createMain
 221          *            initial selection state of the 'Create Main' checkbox.
 222          * @param createConstructors
 223          *            initial selection state of the 'Create Constructors' checkbox.
 224          * @param createInherited
 225          *            initial selection state of the 'Create inherited abstract
 226          *            methods' checkbox.
 227          * @param canBeModified
 228          *            if <code>true</code> the method stub checkboxes can be
 229          *            changed by the user. If <code>false</code> the buttons are
 230          *            "read-only"
 231          */
 232         public void setMethodStubSelection(boolean createMain,
 233                         boolean createConstructors, boolean createInherited,
 234                         boolean canBeModified) {
 235                 fMethodStubsButtons.setSelection(0, createMain);
 236                 fMethodStubsButtons.setSelection(1, createConstructors);
 237                 fMethodStubsButtons.setSelection(2, createInherited);
 238
 239                 fMethodStubsButtons.setEnabled(canBeModified);
 240         }
 241
 242         // ---- creation ----------------
 243
 244         /*
 245          * @see NewTypeWizardPage#createTypeMembers
 246          */
 247         // protected void createTypeMembers(IType type, ImportsManager imports,
 248         // IProgressMonitor monitor) throws CoreException {
 249         // boolean doMain= isCreateMain();
 250         // boolean doConstr= isCreateConstructors();
 251         // boolean doInherited= isCreateInherited();
 252         // createInheritedMethods(type, doConstr, doInherited, imports, new
 253         // SubProgressMonitor(monitor, 1));
 254         //
 255         // if (doMain) {
 256         // StringBuffer buf= new StringBuffer();
 257         // buf.append("public static void main("); //$NON-NLS-1$
 258         // buf.append(imports.addImport("java.lang.String")); //$NON-NLS-1$
 259         // buf.append("[] args) {}"); //$NON-NLS-1$
 260         // type.createMethod(buf.toString(), null, false, null);
 261         // }
 262         //
 263         // IDialogSettings section= getDialogSettings().getSection(PAGE_NAME);
 264         // if (section == null) {
 265         // section= getDialogSettings().addNewSection(PAGE_NAME);
 266         // }
 267         // section.put(SETTINGS_CREATEMAIN, doMain);
 268         // section.put(SETTINGS_CREATECONSTR, doConstr);
 269         // section.put(SETTINGS_CREATEUNIMPLEMENTED, doInherited);
 270         //
 271         // if (monitor != null) {
 272         // monitor.done();
 273         // }
 274         // }
 275 }