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
|
/*
* Copyright (C) 2008 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.layout.uimodel;
import static com.android.SdkConstants.ANDROID_NS_NAME;
import static com.android.SdkConstants.ANDROID_URI;
import static com.android.SdkConstants.ATTR_CLASS;
import static com.android.SdkConstants.ATTR_ORIENTATION;
import static com.android.SdkConstants.FQCN_FRAME_LAYOUT;
import static com.android.SdkConstants.LINEAR_LAYOUT;
import static com.android.SdkConstants.VALUE_VERTICAL;
import static com.android.SdkConstants.VIEW_TAG;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.internal.editors.AndroidXmlEditor;
import com.android.ide.eclipse.adt.internal.editors.IconFactory;
import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.XmlnsAttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate;
import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.LayoutDescriptors;
import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.ViewElementDescriptor;
import com.android.ide.eclipse.adt.internal.editors.uimodel.UiDocumentNode;
import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
import com.android.ide.eclipse.adt.internal.sdk.AndroidTargetData;
import com.android.ide.eclipse.adt.internal.sdk.Sdk;
import com.android.sdklib.IAndroidTarget;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.swt.graphics.Image;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Specialized version of {@link UiElementNode} for the {@link ViewElementDescriptor}s.
*/
public class UiViewElementNode extends UiElementNode {
/** An AttributeDescriptor array that depends on the current UiParent. */
private AttributeDescriptor[] mCachedAttributeDescriptors;
public UiViewElementNode(ViewElementDescriptor elementDescriptor) {
super(elementDescriptor);
}
/**
* Returns an AttributeDescriptor array that depends on the current UiParent.
* <p/>
* The array merges both "direct" attributes with the descriptor layout attributes.
* The array instance is cached and cleared if the UiParent is changed.
*/
@Override
public AttributeDescriptor[] getAttributeDescriptors() {
if (!getDescriptor().syncAttributes()) {
mCachedAttributeDescriptors = null;
}
if (mCachedAttributeDescriptors != null) {
return mCachedAttributeDescriptors;
}
UiElementNode ui_parent = getUiParent();
AttributeDescriptor[] direct_attrs = super.getAttributeDescriptors();
mCachedAttributeDescriptors = direct_attrs;
// Compute layout attributes: These depend on the *parent* this widget is within
AttributeDescriptor[] layout_attrs = null;
boolean need_xmlns = false;
if (ui_parent instanceof UiDocumentNode) {
// Limitation: right now the layout behaves as if everything was
// owned by a FrameLayout.
// TODO replace by something user-configurable.
IProject project = getEditor().getProject();
if (project != null) {
Sdk currentSdk = Sdk.getCurrent();
if (currentSdk != null) {
IAndroidTarget target = currentSdk.getTarget(project);
if (target != null) {
AndroidTargetData data = currentSdk.getTargetData(target);
if (data != null) {
LayoutDescriptors descriptors = data.getLayoutDescriptors();
ViewElementDescriptor desc =
descriptors.findDescriptorByClass(FQCN_FRAME_LAYOUT);
if (desc != null) {
layout_attrs = desc.getLayoutAttributes();
need_xmlns = true;
}
}
}
}
}
} else if (ui_parent instanceof UiViewElementNode) {
layout_attrs =
((ViewElementDescriptor) ui_parent.getDescriptor()).getLayoutAttributes();
}
if (layout_attrs == null || layout_attrs.length == 0) {
return mCachedAttributeDescriptors;
}
mCachedAttributeDescriptors =
new AttributeDescriptor[direct_attrs.length +
layout_attrs.length +
(need_xmlns ? 1 : 0)];
System.arraycopy(direct_attrs, 0,
mCachedAttributeDescriptors, 0,
direct_attrs.length);
System.arraycopy(layout_attrs, 0,
mCachedAttributeDescriptors, direct_attrs.length,
layout_attrs.length);
if (need_xmlns) {
AttributeDescriptor desc = new XmlnsAttributeDescriptor(ANDROID_NS_NAME, ANDROID_URI);
mCachedAttributeDescriptors[direct_attrs.length + layout_attrs.length] = desc;
}
return mCachedAttributeDescriptors;
}
public Image getIcon() {
ElementDescriptor desc = getDescriptor();
if (desc != null) {
Image img = null;
// Special case for the common case of vertical linear layouts:
// show vertical linear icon (the default icon shows horizontal orientation)
String uiName = desc.getUiName();
IconFactory icons = IconFactory.getInstance();
if (uiName.equals(LINEAR_LAYOUT)) {
Element e = (Element) getXmlNode();
if (VALUE_VERTICAL.equals(e.getAttributeNS(ANDROID_URI, ATTR_ORIENTATION))) {
IconFactory factory = icons;
img = factory.getIcon("VerticalLinearLayout"); //$NON-NLS-1$
}
} else if (uiName.equals(VIEW_TAG)) {
Node xmlNode = getXmlNode();
if (xmlNode instanceof Element) {
String className = ((Element) xmlNode).getAttribute(ATTR_CLASS);
if (className != null && className.length() > 0) {
int index = className.lastIndexOf('.');
if (index != -1) {
className = "customView"; //$NON-NLS-1$
}
img = icons.getIcon(className);
}
}
if (img == null) {
// Can't have both view.png and View.png; issues on case sensitive vs
// case insensitive file systems
img = icons.getIcon("View"); //$NON-NLS-1$
}
}
if (img == null) {
img = desc.getGenericIcon();
}
if (img != null) {
AndroidXmlEditor editor = getEditor();
if (editor != null) {
LayoutEditorDelegate delegate = LayoutEditorDelegate.fromEditor(editor);
if (delegate != null) {
IMarker marker = delegate.getIssueForNode(this);
if (marker != null) {
int severity = marker.getAttribute(IMarker.SEVERITY, 0);
if (severity == IMarker.SEVERITY_ERROR) {
return icons.addErrorIcon(img);
} else {
return icons.addWarningIcon(img);
}
}
}
}
return img;
}
return img;
}
return AdtPlugin.getAndroidLogo();
}
/**
* Sets the parent of this UI node.
* <p/>
* Also removes the cached AttributeDescriptor array that depends on the current UiParent.
*/
@Override
protected void setUiParent(UiElementNode parent) {
super.setUiParent(parent);
mCachedAttributeDescriptors = null;
}
}
|
