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
|
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// 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.google.gerrit.client.api;
import com.google.gerrit.client.GerritUiExtensionPoint;
import com.google.gerrit.client.rpc.Natives;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
public class ExtensionPanel extends FlowPanel {
private static final Logger logger = Logger.getLogger(ExtensionPanel.class.getName());
private final GerritUiExtensionPoint extensionPoint;
private final List<Context> contexts;
public ExtensionPanel(GerritUiExtensionPoint extensionPoint) {
this(extensionPoint, new ArrayList<String>());
}
public ExtensionPanel(GerritUiExtensionPoint extensionPoint, List<String> panelNames) {
this.extensionPoint = extensionPoint;
this.contexts = create(panelNames);
}
private List<Context> create(List<String> panelNames) {
List<Context> contexts = new ArrayList<>();
for (Definition def : getOrderedDefs(panelNames)) {
SimplePanel p = new SimplePanel();
add(p);
contexts.add(Context.create(def, p));
}
return contexts;
}
private List<Definition> getOrderedDefs(List<String> panelNames) {
if (panelNames == null) {
panelNames = Collections.emptyList();
}
Map<String, List<Definition>> defsOrderedByName = new LinkedHashMap<>();
for (String name : panelNames) {
defsOrderedByName.put(name, new ArrayList<Definition>());
}
for (Definition def : Natives.asList(Definition.get(extensionPoint.name()))) {
addDef(def, defsOrderedByName);
}
List<Definition> orderedDefs = new ArrayList<>();
for (List<Definition> defList : defsOrderedByName.values()) {
orderedDefs.addAll(defList);
}
return orderedDefs;
}
private static void addDef(Definition def, Map<String, List<Definition>> defsOrderedByName) {
String panelName = def.getPanelName();
if (panelName.equals(def.getPluginName() + ".undefined")) {
/* Handle a partially undefined panel name from the
javascript layer by generating a random panel name.
This maintains support for panels that do not provide a name. */
panelName =
def.getPluginName() + "." + Long.toHexString(Double.doubleToLongBits(Math.random()));
}
if (defsOrderedByName.containsKey(panelName)) {
defsOrderedByName.get(panelName).add(def);
} else if (defsOrderedByName.containsKey(def.getPluginName())) {
defsOrderedByName.get(def.getPluginName()).add(def);
} else {
defsOrderedByName.put(panelName, Collections.singletonList(def));
}
}
public void put(GerritUiExtensionPoint.Key key, String value) {
for (Context ctx : contexts) {
ctx.put(key.name(), value);
}
}
public void putInt(GerritUiExtensionPoint.Key key, int value) {
for (Context ctx : contexts) {
ctx.putInt(key.name(), value);
}
}
public void putBoolean(GerritUiExtensionPoint.Key key, boolean value) {
for (Context ctx : contexts) {
ctx.putBoolean(key.name(), value);
}
}
public void putObject(GerritUiExtensionPoint.Key key, JavaScriptObject value) {
for (Context ctx : contexts) {
ctx.putObject(key.name(), value);
}
}
@Override
protected void onLoad() {
super.onLoad();
for (Context ctx : contexts) {
try {
ctx.onLoad();
} catch (RuntimeException e) {
logger.log(
Level.SEVERE,
"Failed to load extension panel for extension point "
+ extensionPoint.name()
+ " from plugin "
+ ctx.getPluginName()
+ ": "
+ e.getMessage());
}
}
}
@Override
protected void onUnload() {
super.onUnload();
for (Context ctx : contexts) {
for (JavaScriptObject u : Natives.asList(ctx.unload())) {
ApiGlue.invoke(u);
}
}
}
static class Definition extends JavaScriptObject {
static final JavaScriptObject TYPE = init();
private static native JavaScriptObject init() /*-{
function PanelDefinition(n, c, x) {
this.pluginName = n;
this.onLoad = c;
this.name = x;
};
return PanelDefinition;
}-*/;
static native JsArray<Definition> get(String i) /*-{ return $wnd.Gerrit.panels[i] || [] }-*/;
protected Definition() {}
public final native String getPanelName() /*-{ return this.pluginName + "." + this.name; }-*/;
public final native String getPluginName() /*-{ return this.pluginName; }-*/;
}
static class Context extends JavaScriptObject {
static final Context create(Definition def, SimplePanel panel) {
return create(TYPE, def, panel.getElement());
}
final native void onLoad() /*-{ this._d.onLoad(this) }-*/;
final native JsArray<JavaScriptObject> unload() /*-{ return this._u }-*/;
final native String getPluginName() /*-{ return this._d.pluginName; }-*/;
final native void put(String k, String v) /*-{ this.p[k] = v; }-*/;
final native void putInt(String k, int v) /*-{ this.p[k] = v; }-*/;
final native void putBoolean(String k, boolean v) /*-{ this.p[k] = v; }-*/;
final native void putObject(String k, JavaScriptObject v) /*-{ this.p[k] = v; }-*/;
private static native Context create(JavaScriptObject T, Definition d, Element e)
/*-{ return new T(d,e) }-*/ ;
private static final JavaScriptObject TYPE = init();
private static native JavaScriptObject init() /*-{
var T = function(d,e) {
this._d = d;
this._u = [];
this.body = e;
this.p = {};
};
T.prototype = {
onUnload: function(f){this._u.push(f)},
};
return T;
}-*/;
protected Context() {}
}
}
|
