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1
12 package org.eclipse.jdt.internal.ui.callhierarchy;
13
14 import org.eclipse.swt.SWT;
15 import org.eclipse.swt.events.ModifyEvent;
16 import org.eclipse.swt.events.ModifyListener;
17 import org.eclipse.swt.events.SelectionAdapter;
18 import org.eclipse.swt.events.SelectionEvent;
19 import org.eclipse.swt.layout.GridData;
20 import org.eclipse.swt.layout.GridLayout;
21 import org.eclipse.swt.widgets.Button;
22 import org.eclipse.swt.widgets.Composite;
23 import org.eclipse.swt.widgets.Control;
24 import org.eclipse.swt.widgets.Label;
25 import org.eclipse.swt.widgets.Shell;
26 import org.eclipse.swt.widgets.Text;
27
28 import org.eclipse.jface.dialogs.IDialogConstants;
29 import org.eclipse.jface.dialogs.StatusDialog;
30
31 import org.eclipse.ui.PlatformUI;
32
33 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
34 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
35
36 import org.eclipse.jdt.internal.corext.callhierarchy.CallHierarchy;
37
38 class FiltersDialog extends StatusDialog {
39 private Label fNamesHelpText;
40 private Button fFilterOnNames;
41 private Text fNames;
42 private Text fMaxCallDepth;
43
44
47 protected FiltersDialog(Shell parentShell) {
48 super(parentShell);
49 }
50
51
54 protected void configureShell(Shell newShell) {
55 super.configureShell(newShell);
56 newShell.setText(CallHierarchyMessages.FiltersDialog_filter);
57 PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.CALL_HIERARCHY_FILTERS_DIALOG);
58 }
59
60
63 protected Control createDialogArea(Composite parent) {
64 Composite superComposite = (Composite) super.createDialogArea(parent);
65
66 Composite composite = new Composite(superComposite, SWT.NONE);
67 composite.setFont(superComposite.getFont());
68 composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
69
70 GridLayout layout = new GridLayout();
71 layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
72 layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
73 layout.verticalSpacing= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
74 layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
75 composite.setLayout(layout);
76
77 createNamesArea(composite);
78 new Label(composite, SWT.NONE); createMaxCallDepthArea(composite);
80
81 updateUIFromFilter();
82
83 return composite;
84 }
85
86 private void createMaxCallDepthArea(Composite parent) {
87 Composite composite= new Composite(parent, SWT.NONE);
88 composite.setFont(parent.getFont());
89 GridLayout layout = new GridLayout();
90 layout.numColumns = 2;
91 composite.setLayout(layout);
92
93 Label label= new Label(composite, SWT.NONE);
94 label.setFont(composite.getFont());
95 label.setText(CallHierarchyMessages.FiltersDialog_maxCallDepth);
96
97 fMaxCallDepth = new Text(composite, SWT.SINGLE | SWT.BORDER);
98 fMaxCallDepth.setFont(composite.getFont());
99 fMaxCallDepth.setTextLimit(6);
100 fMaxCallDepth.addModifyListener(new ModifyListener() {
101 public void modifyText(ModifyEvent e) {
102 validateInput();
103 }
104 });
105
106 GridData gridData = new GridData();
107 gridData.widthHint = convertWidthInCharsToPixels(10);
108 fMaxCallDepth.setLayoutData(gridData);
109 }
110
111 private void createNamesArea(Composite parent) {
112 fFilterOnNames = createCheckbox(parent,
113 CallHierarchyMessages.FiltersDialog_filterOnNames, true);
114
115 fNames= new Text(parent, SWT.SINGLE | SWT.BORDER);
116 fNames.setFont(parent.getFont());
117 fNames.addModifyListener(new ModifyListener() {
118 public void modifyText(ModifyEvent e) {
119 validateInput();
120 }
121 });
122
123 GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL);
124 gridData.widthHint = convertWidthInCharsToPixels(60);
125 fNames.setLayoutData(gridData);
126
127 fNamesHelpText= new Label(parent, SWT.LEFT);
128 fNamesHelpText.setFont(parent.getFont());
129 fNamesHelpText.setText(CallHierarchyMessages.FiltersDialog_filterOnNamesSubCaption);
130 }
131
132
142 private Button createCheckbox(Composite parent, String  text, boolean grabRow) {
143 Button button = new Button(parent, SWT.CHECK);
144 button.setFont(parent.getFont());
145
146 if (grabRow) {
147 GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
148 button.setLayoutData(gridData);
149 }
150
151 button.setText(text);
152 button.addSelectionListener(new SelectionAdapter() {
153 public void widgetSelected(SelectionEvent e) {
154 validateInput();
155 updateEnabledState();
156 }
157 });
158
159 return button;
160 }
161
162
165 private void updateEnabledState() {
166 fNames.setEnabled(fFilterOnNames.getSelection());
167 fNamesHelpText.setEnabled(fFilterOnNames.getSelection());
168 }
169
170
173 private void updateFilterFromUI() {
174 int maxCallDepth = Integer.parseInt(this.fMaxCallDepth.getText());
175
176 CallHierarchyUI.getDefault().setMaxCallDepth(maxCallDepth);
177 CallHierarchy.getDefault().setFilters(fNames.getText());
178 CallHierarchy.getDefault().setFilterEnabled(fFilterOnNames.getSelection());
179 }
180
181
184 private void updateUIFromFilter() {
185 fMaxCallDepth.setText(String.valueOf(CallHierarchyUI.getDefault().getMaxCallDepth()));
186 fNames.setText(CallHierarchy.getDefault().getFilters());
187 fFilterOnNames.setSelection(CallHierarchy.getDefault().isFilterEnabled());
188 updateEnabledState();
189 }
190
191
197 protected void okPressed() {
198 if (!isMaxCallDepthValid()) {
199 if (fMaxCallDepth.forceFocus()) {
200 fMaxCallDepth.setSelection(0, fMaxCallDepth.getCharCount());
201 fMaxCallDepth.showSelection();
202 }
203 }
204
205 updateFilterFromUI();
206 super.okPressed();
207 }
208
209 private boolean isMaxCallDepthValid() {
210 String text= fMaxCallDepth.getText();
211 if (text.length() == 0)
212 return false;
213
214 try {
215 int maxCallDepth= Integer.parseInt(text);
216
217 return (maxCallDepth >= 1 && maxCallDepth <= 99);
218 } catch (NumberFormatException e) {
219 return false;
220 }
221 }
222
223 private void validateInput() {
224 StatusInfo status= new StatusInfo();
225 if (!isMaxCallDepthValid()) {
226 status.setError(CallHierarchyMessages.FiltersDialog_messageMaxCallDepthInvalid);
227 }
228 updateStatus(status);
229 }
230 }
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