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