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