1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.editors.uimodel;
import com.android.SdkConstants;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.internal.editors.AndroidXmlEditor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.DescriptorsUtils;
import com.android.ide.eclipse.adt.internal.editors.descriptors.ListAttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.TextAttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.ui.SectionHelper;
import com.android.ide.eclipse.adt.internal.sdk.AndroidTargetData;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.TableWrapData;
/**
* Represents an XML attribute which has possible built-in values, and can be modified by
* an editable Combo box.
* <p/>
* See {@link UiTextAttributeNode} for more information.
*/
public class UiListAttributeNode extends UiAbstractTextAttributeNode {
protected Combo mCombo;
public UiListAttributeNode(ListAttributeDescriptor attributeDescriptor,
UiElementNode uiParent) {
super(attributeDescriptor, uiParent);
}
/* (non-java doc)
* Creates a label widget and an associated text field.
* <p/>
* As most other parts of the android manifest editor, this assumes the
* parent uses a table layout with 2 columns.
*/
@Override
public final void createUiControl(final Composite parent, IManagedForm managedForm) {
FormToolkit toolkit = managedForm.getToolkit();
TextAttributeDescriptor desc = (TextAttributeDescriptor) getDescriptor();
Label label = toolkit.createLabel(parent, desc.getUiName());
label.setLayoutData(new TableWrapData(TableWrapData.LEFT, TableWrapData.MIDDLE));
SectionHelper.addControlTooltip(label, DescriptorsUtils.formatTooltip(desc.getTooltip()));
int style = SWT.DROP_DOWN;
mCombo = new Combo(parent, style);
TableWrapData twd = new TableWrapData(TableWrapData.FILL_GRAB, TableWrapData.MIDDLE);
twd.maxWidth = 100;
mCombo.setLayoutData(twd);
fillCombo();
setTextWidgetValue(getCurrentValue());
mCombo.addModifyListener(new ModifyListener() {
/**
* Sent when the text is modified, whether by the user via manual
* input or programmatic input via setText().
*/
@Override
public void modifyText(ModifyEvent e) {
onComboChange();
}
});
mCombo.addSelectionListener(new SelectionAdapter() {
/** Sent when the text is changed from a list selection. */
@Override
public void widgetSelected(SelectionEvent e) {
onComboChange();
}
});
// Remove self-reference when the widget is disposed
mCombo.addDisposeListener(new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
mCombo = null;
}
});
}
protected void fillCombo() {
String[] values = getPossibleValues(null);
if (values == null) {
AdtPlugin.log(IStatus.ERROR,
"FrameworkResourceManager did not provide values yet for %1$s",
getDescriptor().getXmlLocalName());
} else {
for (String value : values) {
mCombo.add(value);
}
}
}
/**
* Get the list values, either from the initial values set in the attribute
* or by querying the framework resource parser.
*
* {@inheritDoc}
*/
@Override
public String[] getPossibleValues(String prefix) {
AttributeDescriptor descriptor = getDescriptor();
UiElementNode uiParent = getUiParent();
String attr_name = descriptor.getXmlLocalName();
String element_name = uiParent.getDescriptor().getXmlName();
// FrameworkResourceManager expects a specific prefix for the attribute.
String nsPrefix = "";
if (SdkConstants.NS_RESOURCES.equals(descriptor.getNamespaceUri())) {
nsPrefix = SdkConstants.ANDROID_NS_NAME + ':';
} else if (SdkConstants.XMLNS_URI.equals(descriptor.getNamespaceUri())) {
nsPrefix = SdkConstants.XMLNS_PREFIX;
}
attr_name = nsPrefix + attr_name;
String[] values = null;
if (descriptor instanceof ListAttributeDescriptor &&
((ListAttributeDescriptor) descriptor).getValues() != null) {
// Get enum values from the descriptor
values = ((ListAttributeDescriptor) descriptor).getValues();
}
if (values == null) {
// or from the AndroidTargetData
UiElementNode uiNode = getUiParent();
AndroidXmlEditor editor = uiNode.getEditor();
AndroidTargetData data = editor.getTargetData();
if (data != null) {
// get the great-grand-parent descriptor.
// the parent should always exist.
UiElementNode grandParentNode = uiParent.getUiParent();
String greatGrandParentNodeName = null;
if (grandParentNode != null) {
UiElementNode greatGrandParentNode = grandParentNode.getUiParent();
if (greatGrandParentNode != null) {
greatGrandParentNodeName =
greatGrandParentNode.getDescriptor().getXmlName();
}
}
values = data.getAttributeValues(element_name, attr_name, greatGrandParentNodeName);
}
}
return values;
}
@Override
public String getTextWidgetValue() {
if (mCombo != null) {
return mCombo.getText();
}
return null;
}
@Override
public final boolean isValid() {
return mCombo != null;
}
@Override
public void setTextWidgetValue(String value) {
if (mCombo != null) {
mCombo.setText(value);
}
}
/**
* Handles Combo change, either from text edit or from selection change.
* <p/>
* Simply mark the attribute as dirty if it really changed.
* The container SectionPart will collect these flag and manage them.
*/
private void onComboChange() {
if (!isInInternalTextModification() &&
!isDirty() &&
mCombo != null &&
getCurrentValue() != null &&
!mCombo.getText().equals(getCurrentValue())) {
setDirty(true);
}
}
}
|
