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Constructor for path objects in Javascript domain
author Thinker K.F. Li <thinker@branda.to>
date Mon, 07 Jun 2010 22:37:51 +0800
parents 0cd1511272d2
children f87a368e847a
comparison
equal deleted inserted replaced
564:0cd1511272d2 565:c0bc60448913
5 #include <mb.h> 5 #include <mb.h>
6 } 6 }
7 7
8 using namespace v8; 8 using namespace v8;
9 9
10 /*! \defgroup shape_temp Templates for shape and derive. 10 /*! \defgroup shape_temp Templates for shape and derivations.
11 * 11 *
12 * @{ 12 * @{
13 */ 13 */
14 static Persistent<FunctionTemplate> xnjsmb_shape_temp; 14 static Persistent<FunctionTemplate> xnjsmb_shape_temp;
15 15
54 SET(proto_temp, "hide", method_temp); 54 SET(proto_temp, "hide", method_temp);
55 } 55 }
56 56
57 /* @} */ 57 /* @} */
58 58
59 /*! \defgroup path_temp Templates for path objects.
60 *
61 * @{
62 */
63 static Persistent<FunctionTemplate> xnjsmb_path_temp;
64
65 /*! \brief Callback of constructor of path objects for Javascript.
66 */
67 static Handle<Value>
68 xnjsmb_shape_path(const Arguments &args) {
69 shape_t *sh;
70 redraw_man_t *rdman;
71 Handle<Object> self = args.This(); // path object
72 Handle<Object> rt;
73 char *dstr;
74 int argc;
75
76 argc = args.Length();
77 if(argc != 2)
78 THROW("Invalid number of arugments (!= 1)");
79 if(!args[0]->IsString())
80 THROW("Invalid argument type (should be a string)");
81 if(!args[1]->IsObject())
82 THROW("Invalid argument type (should be an object)");
83
84 String::Utf8Value dutf8(args[0]->ToString());
85 dstr = *dutf8;
86
87 rt = args[1]->ToObject();
88 rdman = xnjsmb_rt_rdman(rt);
89 sh = rdman_shape_path_new(rdman, dstr);
90
91 WRAP(self, sh);
92
93 return Null();
94 }
95
96 /*! \brief Initial function template for constructor of path objects.
97 */
98 static void
99 xnjsmb_init_path_temp(void) {
100 Handle<FunctionTemplate> temp;
101 Handle<ObjectTemplate> inst_temp;
102
103 temp = FunctionTemplate::New(xnjsmb_shape_path);
104 temp->Inherit(xnjsmb_shape_temp);
105 temp->SetClassName(String::New("path"));
106
107 inst_temp = temp->InstanceTemplate();
108 inst_temp->SetInternalFieldCount(1);
109
110 xnjsmb_path_temp = Persistent<FunctionTemplate>::New(temp);
111 }
112
113 /*! \brief Callback function of mb_rt.path_new().
114 */
115 static Handle<Value>
116 xnjsmb_shape_path_new(const Arguments &args) {
117 HandleScope scope;
118 Handle<Object> self = args.This(); // runtime object
119 Handle<Object> path_obj;
120 Handle<Value> path_args[2];
121 int argc;
122
123 argc = args.Length();
124 if(argc != 1)
125 THROW("Invalid number of arugments (!= 1)");
126 if(!args[0]->IsString())
127 THROW("Invalid argument type (shoud be a string)");
128
129 path_args[0] = args[0];
130 path_args[1] = self;
131
132 path_obj = xnjsmb_path_temp->GetFunction()->NewInstance(2, path_args);
133
134 scope.Close(path_obj);
135 return path_obj;
136 }
137
138 /* @} */
139
140 /*! \brief Set properties of template of mb_rt.
141 */
142 void
143 xnjsmb_shapes_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
144 Handle<FunctionTemplate> path_new_temp;
145 Handle<ObjectTemplate> rt_proto_temp;
146 static int temp_init_flag = 0;
147
148 if(temp_init_flag == 0) {
149 xnjsmb_init_shape_temp();
150 xnjsmb_init_path_temp();
151 temp_init_flag = 1;
152 }
153
154 rt_proto_temp = rt_temp->PrototypeTemplate();
155
156 path_new_temp = FunctionTemplate::New(xnjsmb_shape_path_new);
157 SET(rt_proto_temp, "path_new", path_new_temp);
158 }