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1
11
12 package org.eclipse.jdt.internal.debug.ui;
13
14 import org.eclipse.core.runtime.IStatus;
15 import org.eclipse.jdt.debug.ui.IJavaDebugUIConstants;
16 import org.eclipse.jface.dialogs.IDialogConstants;
17 import org.eclipse.jface.dialogs.IDialogSettings;
18 import org.eclipse.jface.dialogs.StatusDialog;
19 import org.eclipse.swt.SWT;
20 import org.eclipse.swt.events.ModifyEvent;
21 import org.eclipse.swt.events.ModifyListener;
22 import org.eclipse.swt.layout.GridData;
23 import org.eclipse.swt.layout.GridLayout;
24 import org.eclipse.swt.widgets.Button;
25 import org.eclipse.swt.widgets.Composite;
26 import org.eclipse.swt.widgets.Control;
27 import org.eclipse.swt.widgets.Label;
28 import org.eclipse.swt.widgets.Shell;
29 import org.eclipse.swt.widgets.Text;
30
31 public class CreateStepFilterDialog extends StatusDialog {
32
33 private static final String  DEFAULT_NEW_FILTER_TEXT = "";
35 private Text text;
36 private Filter filter;
37 private Button okButton;
38
39 private boolean filterValid;
40 private boolean okClicked;
41 private Filter[] existingFilters;
42
43 private CreateStepFilterDialog(Shell parent, Filter filter, Filter[] existingFilters) {
44 super(parent);
45 setShellStyle(getShellStyle() | SWT.RESIZE);
46 this.filter = filter;
47 this.existingFilters = existingFilters;
48
49 setTitle(DebugUIMessages.CreateStepFilterDialog_2);
50 setStatusLineAboveButtons(false);
51
52 }
53
54 static Filter showCreateStepFilterDialog(Shell parent, Filter[] existingFilters) {
55 CreateStepFilterDialog createStepFilterDialog = new CreateStepFilterDialog(parent, new Filter(DEFAULT_NEW_FILTER_TEXT, true), existingFilters);
56 createStepFilterDialog.create();
57 createStepFilterDialog.open();
58
59 return createStepFilterDialog.filter;
60 }
61
62 protected void createButtonsForButtonBar(Composite parent) {
63 okButton= createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
64 okButton.setEnabled(false);
65 createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
66 }
67
68 protected Control createDialogArea(Composite parent) {
69 Composite container = (Composite)super.createDialogArea(parent);
70
71 GridLayout gridLayout = new GridLayout();
72 gridLayout.numColumns = 2;
73 gridLayout.marginHeight = 15;
74 gridLayout.marginWidth = 15;
75 container.setLayout(gridLayout);
76
77 int textStyles = SWT.SINGLE | SWT.LEFT;
78 Label label= new Label(container, textStyles);
79 label.setText(DebugUIMessages.CreateStepFilterDialog_3);
80 label.setFont(container.getFont());
81
82 if (!SWT.getPlatform().equals("motif")) { textStyles |= SWT.BORDER;
90 }
91
92 text = new Text(container, textStyles);
93 GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
94 gridData.horizontalSpan=1;
95 gridData.widthHint = 300;
96 text.setLayoutData(gridData);
97 text.setFont(container.getFont());
98
99 text.addModifyListener(new ModifyListener() {
100 public void modifyText(ModifyEvent e) {
101 validateChange();
102 if (!filterValid)
103 updateStatus(new StatusInfo(IStatus.ERROR, DebugUIMessages.CreateStepFilterDialog_4));
104 else if (isDuplicateFilter(text.getText().trim())) {
105 updateStatus(new StatusInfo(IStatus.WARNING, DebugUIMessages.CreateStepFilterDialog_5));
106 return;
107 } else
108 updateStatus(new StatusInfo());
109 }
110 });
111
112 return container;
113 }
114
115 private void validateChange() {
116 String trimmedValue = text.getText().trim();
117
118 if (trimmedValue.length()>0 && validateInput(trimmedValue)) {
119 okButton.setEnabled(true);
120 filter.setName(text.getText());
121 filterValid = true;
122 } else {
123 okButton.setEnabled(false);
124 filter.setName(DEFAULT_NEW_FILTER_TEXT);
125 filterValid = false;
126 }
127 }
128
129 private boolean isDuplicateFilter(String trimmedValue) {
130 for (int i=0; i<existingFilters.length; i++)
131 if(existingFilters[i].getName().equals(trimmedValue))
132 return true;
133 return false;
134 }
135
143 private boolean validateInput(String trimmedValue) {
144 char firstChar= trimmedValue.charAt(0);
145 if (!Character.isJavaIdentifierStart(firstChar)) {
146 if (!(firstChar == '*')) {
147 return false;
148 }
149 }
150 int length= trimmedValue.length();
151 for (int i= 1; i < length; i++) {
152 char c= trimmedValue.charAt(i);
153 if (!Character.isJavaIdentifierPart(c)) {
154 if (c == '.' && i != (length - 1)) {
155 continue;
156 }
157 if (c == '*' && i == (length - 1)) {
158 continue;
159 }
160 return false;
161 }
162 }
163 return true;
164 }
165
166
171 protected String getDialogSettingsSectionName() {
172 return IJavaDebugUIConstants.PLUGIN_ID + ".CREATE_STEP_FILTER_DIALOG_SECTION"; }
174
175
178 public boolean close() {
179 if (!okClicked) {
180 filterValid = false;
181 filter = null;
182 }
183 return super.close();
184 }
185
186
189 protected IDialogSettings getDialogBoundsSettings() {
190 IDialogSettings settings = JDIDebugUIPlugin.getDefault().getDialogSettings();
191 IDialogSettings section = settings.getSection(getDialogSettingsSectionName());
192 if (section == null) {
193 section = settings.addNewSection(getDialogSettingsSectionName());
194 }
195 return section;
196 }
197
198 protected void okPressed() {
199 okClicked = true;
200 super.okPressed();
201 }
202 }
203 |
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