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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
if(!dojo._hasResource["dojox.dtl.tag.loader"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.dtl.tag.loader"] = true;
dojo.provide("dojox.dtl.tag.loader");
dojo.require("dojox.dtl._base");
(function(){
var dd = dojox.dtl;
var ddtl = dd.tag.loader;
ddtl.BlockNode = dojo.extend(function(name, nodelist){
this.name = name;
this.nodelist = nodelist; // Can be overridden
},
{
render: function(context, buffer){
var name = this.name;
var nodelist = this.nodelist;
if(buffer.blocks){
var block = buffer.blocks[name];
if(block){
nodelist = block.nodelist;
block.used = true;
}
}
this.rendered = nodelist;
return nodelist.render(context, buffer, this);
},
unrender: function(context, buffer){
return this.rendered.unrender(context, buffer);
},
clone: function(buffer){
return new this.constructor(this.name, this.nodelist.clone(buffer));
},
setOverride: function(nodelist){
// summary: In a shared parent, we override, not overwrite
if(!this.override){
this.override = nodelist;
}
},
toString: function(){ return "dojox.dtl.tag.loader.BlockNode"; }
});
ddtl.ExtendsNode = dojo.extend(function(getTemplate, nodelist, shared, parent, key){
this.getTemplate = getTemplate;
this.nodelist = nodelist;
this.shared = shared;
this.parent = parent;
this.key = key;
},
{
parents: {},
getParent: function(context){
if(!this.parent){
this.parent = context.get(this.key, false);
if(!this.parent){
throw new Error("extends tag used a variable that did not resolve");
}
if(typeof this.parent == "object"){
if(this.parent.url){
if(this.parent.shared){
this.shared = true;
}
this.parent = this.parent.url.toString();
}else{
this.parent = this.parent.toString();
}
}
if(this.parent && this.parent.indexOf("shared:") == 0){
this.shared = true;
this.parent = this.parent.substring(7, parent.length);
}
}
var parent = this.parent;
if(!parent){
throw new Error("Invalid template name in 'extends' tag.");
}
if(parent.render){
return parent;
}
if(this.parents[parent]){
return this.parents[parent];
}
this.parent = this.getTemplate(dojox.dtl.text.getTemplateString(parent));
if(this.shared){
this.parents[parent] = this.parent;
}
return this.parent;
},
render: function(context, buffer){
var parent = this.getParent(context);
buffer.blocks = buffer.blocks || {};
// The parent won't always be in the default parent's nodelist
for(var i = 0, node; node = this.nodelist.contents[i]; i++){
if(node instanceof dojox.dtl.tag.loader.BlockNode){
buffer.blocks[node.name] = {
shared: this.shared,
nodelist: node.nodelist,
used: false
}
}
}
this.rendered = parent;
buffer = parent.nodelist.render(context, buffer, this);
var rerender = false;
for(var name in buffer.blocks){
var block = buffer.blocks[name];
if(!block.used){
rerender = true;
parent.nodelist[0].nodelist.append(block.nodelist);
}
}
if(rerender){
buffer = parent.nodelist.render(context, buffer, this);
}
return buffer;
},
unrender: function(context, buffer){
return this.rendered.unrender(context, buffer, this);
},
toString: function(){ return "dojox.dtl.block.ExtendsNode"; }
});
ddtl.IncludeNode = dojo.extend(function(path, constant, getTemplate, TextNode, parsed){
this._path = path;
this.constant = constant;
this.path = (constant) ? path : new dd._Filter(path);
this.getTemplate = getTemplate;
this.TextNode = TextNode;
this.parsed = (arguments.length == 5) ? parsed : true;
},
{
_cache: [{}, {}],
render: function(context, buffer){
var location = ((this.constant) ? this.path : this.path.resolve(context)).toString();
var parsed = Number(this.parsed);
var dirty = false;
if(location != this.last){
dirty = true;
if(this.last){
buffer = this.unrender(context, buffer);
}
this.last = location;
}
var cache = this._cache[parsed];
if(parsed){
if(!cache[location]){
cache[location] = dd.text._resolveTemplateArg(location, true);
}
if(dirty){
var template = this.getTemplate(cache[location]);
this.rendered = template.nodelist;
}
return this.rendered.render(context, buffer, this);
}else{
if(this.TextNode == dd._TextNode){
if(dirty){
this.rendered = new this.TextNode("");
this.rendered.set(dd.text._resolveTemplateArg(location, true));
}
return this.rendered.render(context, buffer);
}else{
if(!cache[location]){
var nodelist = [];
var div = document.createElement("div");
div.innerHTML = dd.text._resolveTemplateArg(location, true);
var children = div.childNodes;
while(children.length){
var removed = div.removeChild(children[0]);
nodelist.push(removed);
}
cache[location] = nodelist;
}
if(dirty){
this.nodelist = [];
var exists = true;
for(var i = 0, child; child = cache[location][i]; i++){
this.nodelist.push(child.cloneNode(true));
}
}
for(var i = 0, node; node = this.nodelist[i]; i++){
buffer = buffer.concat(node);
}
}
}
return buffer;
},
unrender: function(context, buffer){
if(this.rendered){
buffer = this.rendered.unrender(context, buffer);
}
if(this.nodelist){
for(var i = 0, node; node = this.nodelist[i]; i++){
buffer = buffer.remove(node);
}
}
return buffer;
},
clone: function(buffer){
return new this.constructor(this._path, this.constant, this.getTemplate, this.TextNode, this.parsed);
}
});
dojo.mixin(ddtl, {
block: function(parser, text){
var parts = text.split(" ");
var name = parts[1];
parser._blocks = parser._blocks || {};
parser._blocks[name] = parser._blocks[name] || [];
parser._blocks[name].push(name);
var nodelist = parser.parse(["endblock", "endblock " + name]);
parser.next();
return new dojox.dtl.tag.loader.BlockNode(name, nodelist);
},
extends_: function(parser, text){
var parts = text.split(" ");
var shared = false;
var parent = null;
var key = null;
if(parts[1].charAt(0) == '"' || parts[1].charAt(0) == "'"){
parent = parts[1].substring(1, parts[1].length - 1);
}else{
key = parts[1];
}
if(parent && parent.indexOf("shared:") == 0){
shared = true;
parent = parent.substring(7, parent.length);
}
var nodelist = parser.parse();
return new dojox.dtl.tag.loader.ExtendsNode(parser.getTemplate, nodelist, shared, parent, key);
},
include: function(parser, token){
var parts = dd.text.pySplit(token);
if(parts.length != 2){
throw new Error(parts[0] + " tag takes one argument: the name of the template to be included");
}
var path = parts[1];
var constant = false;
if((path.charAt(0) == '"' || path.slice(-1) == "'") && path.charAt(0) == path.slice(-1)){
path = path.slice(1, -1);
constant = true;
}
return new ddtl.IncludeNode(path, constant, parser.getTemplate, parser.getTextNodeConstructor());
},
ssi: function(parser, token){
// We're going to treat things a little differently here.
// First of all, this tag is *not* portable, so I'm not
// concerned about it being a "drop in" replacement.
// Instead, we'll just replicate the include tag, but with that
// optional "parsed" parameter.
var parts = dd.text.pySplit(token);
var parsed = false;
if(parts.length == 3){
parsed = (parts.pop() == "parsed");
if(!parsed){
throw new Error("Second (optional) argument to ssi tag must be 'parsed'");
}
}
var node = ddtl.include(parser, parts.join(" "));
node.parsed = parsed;
return node;
}
});
})();
}
|
