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1
11
12 package org.eclipse.help.ui.internal.views;
13
14 import org.eclipse.help.IContext;
15 import org.eclipse.help.ui.internal.IHelpUIConstants;
16 import org.eclipse.jface.action.IAction;
17 import org.eclipse.jface.action.IMenuManager;
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.graphics.Point;
20 import org.eclipse.swt.graphics.Rectangle;
21 import org.eclipse.swt.widgets.Composite;
22 import org.eclipse.swt.widgets.Control;
23 import org.eclipse.swt.widgets.Layout;
24 import org.eclipse.ui.IMemento;
25 import org.eclipse.ui.IWorkbenchPart;
26 import org.eclipse.ui.forms.AbstractFormPart;
27 import org.eclipse.ui.forms.ManagedForm;
28 import org.eclipse.ui.forms.widgets.FormToolkit;
29 import org.eclipse.ui.forms.widgets.ILayoutExtension;
30 import org.eclipse.ui.forms.widgets.ScrolledForm;
31
32 public class RelatedTopicsPart extends AbstractFormPart implements IHelpPart {
33 private ManagedForm mform;
34
35 private ContextHelpPart contextHelpPart;
36
37 private DynamicHelpPart dynamicHelpPart;
38
39 private ReusableHelpPart parent;
40
41 private String  id;
42
43 private int VSPACE = 10;
44
45 class RelatedLayout extends Layout implements ILayoutExtension {
46
47 protected Point computeSize(Composite composite, int wHint, int hHint,
48 boolean flushCache) {
49 Point topSize = contextHelpPart.getControl().computeSize(wHint,
50 hHint, flushCache);
51 Point botSize = dynamicHelpPart.getControl().computeSize(wHint,
52 hHint, flushCache);
53 Point size = new Point(0, 0);
54 size.x = Math.max(topSize.x, botSize.x);
55 size.y = VSPACE + topSize.y + VSPACE + botSize.y;
56 return size;
57 }
58
59 protected void layout(Composite composite, boolean flushCache) {
60 Rectangle carea = composite.getClientArea();
61 Point topSize = contextHelpPart.getControl().computeSize(
62 carea.width, SWT.DEFAULT, flushCache);
63 Point botSize = dynamicHelpPart.getControl().computeSize(
64 carea.width, SWT.DEFAULT, flushCache);
65 int y = VSPACE;
66 contextHelpPart.getControl().setBounds(0, y, carea.width, topSize.y);
67 y += topSize.y + VSPACE;
68 dynamicHelpPart.getControl().setBounds(0, y, carea.width, botSize.y);
69 }
70
71 public int computeMinimumWidth(Composite parent, boolean changed) {
72 int top = computeMinimumWidth(contextHelpPart, parent, changed);
73 int bot = computeMinimumWidth(dynamicHelpPart, parent, changed);
74 return Math.max(top, bot);
75 }
76
77 private int computeMinimumWidth(IHelpPart part, Composite parent, boolean changed) {
78 ILayoutExtension le = (ILayoutExtension)((Composite)part.getControl()).getLayout();
79 return le.computeMinimumWidth(parent, changed);
80 }
81
82 public int computeMaximumWidth(Composite parent, boolean changed) {
83 return computeSize(parent, SWT.DEFAULT, SWT.DEFAULT, changed).x;
84 }
85 }
86
87 public RelatedTopicsPart(Composite parent, FormToolkit toolkit) {
88 ScrolledForm form = toolkit.createScrolledForm(parent);
89 mform = new ManagedForm(toolkit, form) {
90 public void reflow(boolean changed) {
91 super.reflow(changed);
92 RelatedTopicsPart.this.parent.reflow();
93 }
94 };
95 form.getBody().setLayout(new RelatedLayout());
96 contextHelpPart = new ContextHelpPart(form.getBody(), toolkit);
97 dynamicHelpPart = new DynamicHelpPart(form.getBody(), toolkit);
98 }
99
100 public void init(ReusableHelpPart parent, String id, IMemento memento) {
101 this.parent = parent;
102 this.id = id;
103 contextHelpPart.init(parent, IHelpUIConstants.HV_CONTEXT_HELP, memento);
104 dynamicHelpPart.init(parent, IHelpUIConstants.HV_SEARCH_RESULT, memento);
105 mform.addPart(contextHelpPart);
106 mform.addPart(dynamicHelpPart);
107 mform.initialize();
108 }
109
110 public void dispose() {
111 mform.dispose();
112 }
113
114 public void handleActivation(Control c, IWorkbenchPart wpart) {
115 contextHelpPart.handleActivation(c, wpart);
116 }
117
118 public void setDefaultText(String defaultText) {
119 contextHelpPart.setDefaultText(defaultText);
120 }
121
122 public Control getControl() {
123 return mform.getForm();
124 }
125
126 public String getId() {
127 return id;
128 }
129
130 public void setVisible(boolean visible) {
131 mform.getForm().setVisible(visible);
132 }
133
134 public boolean hasFocusControl(Control control) {
135 return contextHelpPart.hasFocusControl(control)
136 || dynamicHelpPart.hasFocusControl(control);
137 }
138
139 public boolean fillContextMenu(IMenuManager manager) {
140 Control focusControl = mform.getForm().getDisplay().getFocusControl();
141 if (contextHelpPart.hasFocusControl(focusControl))
142 return contextHelpPart.fillContextMenu(manager);
143 return dynamicHelpPart.fillContextMenu(manager);
144 }
145
146 public IAction getGlobalAction(String id) {
147 return contextHelpPart.getGlobalAction(id);
148 }
149
150 public void stop() {
151 contextHelpPart.stop();
152 dynamicHelpPart.stop();
153 }
154
155 public void toggleRoleFilter() {
156 contextHelpPart.toggleRoleFilter();
157 dynamicHelpPart.toggleRoleFilter();
158 }
159
160 public void refilter() {
161 contextHelpPart.refilter();
162 dynamicHelpPart.refilter();
163 }
164 public boolean setFormInput(Object input) {
165 return mform.setInput(input);
166 }
167 public void startSearch(String newPhrase, IContext excludeContext) {
168 dynamicHelpPart.startSearch(newPhrase, excludeContext);
169 }
170
171 public void saveState(IMemento memento) {
172 }
173
174 public void setFocus() {
175 if (contextHelpPart!=null)
176 contextHelpPart.setFocus();
177 }
178 }
179 |
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