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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 java.util.ArrayList;
  14 import java.util.List;
  15
  16 import net.sourceforge.phpdt.core.JavaCore;
  17 import net.sourceforge.phpdt.internal.ui.IJavaHelpContextIds;
  18 import net.sourceforge.phpdt.internal.ui.dialogs.StatusDialog;
  19 import net.sourceforge.phpdt.internal.ui.dialogs.StatusInfo;
  20 import net.sourceforge.phpdt.internal.ui.preferences.TodoTaskConfigurationBlock.TodoTask;
  21 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.ComboDialogField;
  22 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.DialogField;
  23 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
  24 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.LayoutUtil;
  25 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.StringDialogField;
  26
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.layout.GridLayout;
  29 import org.eclipse.swt.widgets.Composite;
  30 import org.eclipse.swt.widgets.Control;
  31 import org.eclipse.swt.widgets.Shell;
  32 import org.eclipse.ui.PlatformUI;
  33
  34 /**
  35  * Dialog to enter a na new task tag
  36  */
  37 public class TodoTaskInputDialog extends StatusDialog {
  38
  39         private class CompilerTodoTaskInputAdapter implements IDialogFieldListener {
  40                 public void dialogFieldChanged(DialogField field) {
  41                         doValidation();
  42                 }
  43         }
  44
  45         private StringDialogField fNameDialogField;
  46
  47         private ComboDialogField fPriorityDialogField;
  48
  49         private List fExistingNames;
  50
  51         public TodoTaskInputDialog(Shell parent, TodoTask task, List existingEntries) {
  52                 super(parent);
  53
  54                 fExistingNames = new ArrayList(existingEntries.size());
  55                 for (int i = 0; i < existingEntries.size(); i++) {
  56                         TodoTask curr = (TodoTask) existingEntries.get(i);
  57                         if (!curr.equals(task)) {
  58                                 fExistingNames.add(curr.name);
  59                         }
  60                 }
  61
  62                 if (task == null) {
  63                         setTitle(PreferencesMessages
  64                                         .getString("TodoTaskInputDialog.new.title")); //$NON-NLS-1$
  65                 } else {
  66                         setTitle(PreferencesMessages
  67                                         .getString("TodoTaskInputDialog.edit.title")); //$NON-NLS-1$
  68                 }
  69
  70                 CompilerTodoTaskInputAdapter adapter = new CompilerTodoTaskInputAdapter();
  71
  72                 fNameDialogField = new StringDialogField();
  73                 fNameDialogField.setLabelText(PreferencesMessages
  74                                 .getString("TodoTaskInputDialog.name.label")); //$NON-NLS-1$
  75                 fNameDialogField.setDialogFieldListener(adapter);
  76
  77                 fNameDialogField.setText((task != null) ? task.name : ""); //$NON-NLS-1$
  78
  79                 String[] items = new String[] {
  80                                 PreferencesMessages
  81                                                 .getString("TodoTaskInputDialog.priority.high"), //$NON-NLS-1$
  82                                 PreferencesMessages
  83                                                 .getString("TodoTaskInputDialog.priority.normal"), //$NON-NLS-1$
  84                                 PreferencesMessages
  85                                                 .getString("TodoTaskInputDialog.priority.low") //$NON-NLS-1$
  86                 };
  87
  88                 fPriorityDialogField = new ComboDialogField(SWT.READ_ONLY);
  89                 fPriorityDialogField.setLabelText(PreferencesMessages
  90                                 .getString("TodoTaskInputDialog.priority.label")); //$NON-NLS-1$
  91                 fPriorityDialogField.setItems(items);
  92                 if (task != null) {
  93                         if (JavaCore.COMPILER_TASK_PRIORITY_HIGH.equals(task.priority)) {
  94                                 fPriorityDialogField.selectItem(0);
  95                         } else if (JavaCore.COMPILER_TASK_PRIORITY_NORMAL
  96                                         .equals(task.priority)) {
  97                                 fPriorityDialogField.selectItem(1);
  98                         } else {
  99                                 fPriorityDialogField.selectItem(2);
 100                         }
 101                 } else {
 102                         fPriorityDialogField.selectItem(1);
 103                 }
 104         }
 105
 106         public TodoTask getResult() {
 107                 TodoTask task = new TodoTask();
 108                 task.name = fNameDialogField.getText().trim();
 109                 switch (fPriorityDialogField.getSelectionIndex()) {
 110                 case 0:
 111                         task.priority = JavaCore.COMPILER_TASK_PRIORITY_HIGH;
 112                         break;
 113                 case 1:
 114                         task.priority = JavaCore.COMPILER_TASK_PRIORITY_NORMAL;
 115                         break;
 116                 default:
 117                         task.priority = JavaCore.COMPILER_TASK_PRIORITY_LOW;
 118                         break;
 119                 }
 120                 return task;
 121         }
 122
 123         protected Control createDialogArea(Composite parent) {
 124                 Composite composite = (Composite) super.createDialogArea(parent);
 125
 126                 Composite inner = new Composite(composite, SWT.NONE);
 127                 GridLayout layout = new GridLayout();
 128                 layout.marginHeight = 0;
 129                 layout.marginWidth = 0;
 130                 layout.numColumns = 2;
 131                 inner.setLayout(layout);
 132
 133                 fNameDialogField.doFillIntoGrid(inner, 2);
 134                 fPriorityDialogField.doFillIntoGrid(inner, 2);
 135
 136                 LayoutUtil.setHorizontalGrabbing(fNameDialogField.getTextControl(null));
 137                 LayoutUtil.setWidthHint(fNameDialogField.getTextControl(null),
 138                                 convertWidthInCharsToPixels(45));
 139
 140                 fNameDialogField.postSetFocusOnDialogField(parent.getDisplay());
 141
 142                 applyDialogFont(composite);
 143                 return composite;
 144         }
 145
 146         private void doValidation() {
 147                 StatusInfo status = new StatusInfo();
 148                 String newText = fNameDialogField.getText();
 149                 if (newText.length() == 0) {
 150                         status.setError(PreferencesMessages
 151                                         .getString("TodoTaskInputDialog.error.enterName")); //$NON-NLS-1$
 152                 } else {
 153                         if (newText.indexOf(',') != -1) {
 154                                 status.setError(PreferencesMessages
 155                                                 .getString("TodoTaskInputDialog.error.comma")); //$NON-NLS-1$
 156                         } else if (fExistingNames.contains(newText)) {
 157                                 status.setError(PreferencesMessages
 158                                                 .getString("TodoTaskInputDialog.error.entryExists")); //$NON-NLS-1$
 159                         } else if (Character.isWhitespace(newText.charAt(0))
 160                                         || Character.isWhitespace(newText
 161                                                         .charAt(newText.length() - 1))) {
 162                                 status.setError(PreferencesMessages
 163                                                 .getString("TodoTaskInputDialog.error.noSpace")); //$NON-NLS-1$
 164                         }
 165                 }
 166                 updateStatus(status);
 167         }
 168
 169         /*
 170          * @see org.eclipse.jface.window.Window#configureShell(Shell)
 171          */
 172         protected void configureShell(Shell newShell) {
 173                 super.configureShell(newShell);
 174                 PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell,
 175                                 IJavaHelpContextIds.TODO_TASK_INPUT_DIALOG);
 176         }
 177 }