src/JsRender/NodeToGtk.vala
[app.Builder.js] / src / JsRender / NodeToGtk.vala
1 /*
2
3  
4 */
5 public class JsRender.NodeToGtk : Object {
6
7         Node node;
8         Object wrapped_object; 
9         NodeToGtk parentObj;
10         
11         Gee.ArrayList<NodeToGtk> children;
12         
13         Gee.ArrayList<string> els;
14         //Gee.ArrayList<string> skip;
15         Gee.HashMap<string,string> ar_props;
16         public static int vcnt = 0; 
17
18         public NodeToGtk( Node node) 
19         {
20                 this.node = node;
21                 this.els = new Gee.ArrayList<string>(); 
22                 this.children = new Gee.ArrayList<NodeToGtk>(); 
23                 //this.skip = new Gee.ArrayList<string>();
24                 this.ar_props = new Gee.HashMap<string,string>();
25                 this.parentObj = null;
26         }
27         
28         public Object? munge ( )
29         {
30                 var ret = this.mungeNode();
31                 if (ret == null) {
32                         return null;
33                 }
34                         
35                 return ret.wrapped_object;
36                       
37         }
38         public NodeToGtk? mungeChild(  Node cnode)
39         {
40                 var x = new  NodeToGtk(cnode);
41                 x.parentObj = this;
42                 return x.mungeNode();
43                 
44         }
45         
46         public NodeToGtk? mungeNode()
47         {
48
49                 var parent = this.parentObj != null ? this.parentObj.wrapped_object : null;
50                 var cls = this.node.fqn().replace(".", "");
51                 var ns = this.node.fqn().split(".")[0];
52                 var gtkbuilder = new global::Gtk.Builder();
53
54                 var cls_gtype = gtkbuilder.get_type_from_name(cls);
55                 print("Type: %s ?= %s\n", this.node.fqn(), cls_gtype.name());
56
57                 if (cls_gtype == GLib.Type.INVALID) {
58                         print("SKIP - gtype is invalid\n");
59                         return null;
60                 }
61                 // if it's a window... 
62
63                 if (cls_gtype.is_a(typeof(global::Gtk.Window))) {
64                         // what if it has none...
65                         if (this.node.items.size < 1) {
66                                 return null;
67                         }
68                         return this.mungeChild(this.node.items.get(0));
69                 }
70
71                 var ret = Object.new(cls_gtype);
72                 ret.ref(); //??? problematic?
73                 this.wrapped_object = ret;
74                 
75                  
76                 switch(cls) {
77                         // fixme
78                         //case "GtkTreeStore": // top level.. - named and referenced
79                         case "GtkListStore": // top level.. - named and referenced
80                         //case "GtkTreeViewColumn": // part of liststore?!?!
81                         //case "GtkMenu": // top level..
82                         //case "GtkCellRendererText":
83                         case "GtkSourceBuffer":                         
84                         case "GtkClutterActor"://fixme..
85                         case "GtkClutterEmbed"://fixme.. -- we can not nest embedded.. need to solve..
86                                         
87                                 return null;
88                 }
89
90                 this.packParent();
91                 
92
93                 // pack paramenters
94
95                 
96                 if (parent != null && parent.get_type().is_a(typeof(global::Gtk.Container))) {
97                         this.packContainerParams();
98                 }
99                 
100                 var cls_gir =Palete.Gir.factoryFqn(this.node.fqn()); 
101                 if (cls_gir == null) {
102                         return null;
103                 }
104                 //var id = this.node.uid();
105                 //var ret = @"$pad<object class=\"$cls\" id=\"$id\">\n";
106                 // properties..
107                 var props = cls_gir.props;
108                 
109               
110                 var pviter = props.map_iterator();
111                 while (pviter.next()) {
112                         
113                                 // print("Check: " +cls + "::(" + pviter.get_value().propertyof + ")" + pviter.get_key() + " " );
114                         var k = pviter.get_key();
115                         // skip items we have already handled..
116                         if  (!this.node.has(k)) {
117                                 continue;
118                         }
119                         // find out the type of the property...
120                         var type = pviter.get_value().type;
121                         type = Palete.Gir.fqtypeLookup(type, ns);
122
123                         var val = this.toValue(this.node.get(k).strip(), type);
124                         if (val == null) {
125                                 print("skip (failed to transform value %s type = %s from %s\n", 
126                                         cls + "." + k, type,  this.node.get(k).strip());
127                                 continue;
128                         }
129                         print ("set_property ( %s , %s / %s)\n", k, this.node.get(k).strip(), val.strdup_contents());
130                         
131                         
132                         ret.set_property(k, val);  
133                         
134
135                 }
136                 // packing???
137                 // for now... - just try the builder style packing
138                 
139                 
140                  
141                 if (this.node.items.size < 1) {
142                         return ret;
143                 }
144                 
145                 for (var i = 0; i < this.node.items.size; i++ ) {
146
147                          this.mungeChild(this.node.items.get(i));
148                          
149                 }
150                 
151                 this.afterChildren();
152                 
153                 return ret;
154                 
155
156                  
157
158         }
159         /**
160          * called after the this.object  has been created
161          * and it needs to be packed onto parent.
162          */
163         public void packParent() 
164         {
165                 var cls = this.node.fqn().replace(".", "");
166                 
167                 var gtkbuilder = new global::Gtk.Builder();
168                 var cls_gtype = gtkbuilder.get_type_from_name(cls);
169
170                 if (this.parentObj == null) {
171                         return;
172                 }
173                                 
174                     
175                 var parent = this.parentObj.wrapped_object;
176                 
177                 var do_pack =true;
178
179                 if (parent == null) { // no parent.. can not pack.
180                         return;
181                 }
182                 // -------------  handle various special parents .. -----------
183                 
184                 var par_type = this.parentObj.node.fqn().replace(".", "");
185                 
186                 if (par_type == "GtkNotebook") {
187                         // do not pack - it's done afterwards...
188                         return;
189                 }
190                 
191                 // -------------  handle various child types.. -----------
192                 // our overrides
193                 if (cls == "GtkMenu") {
194                         this.packMenu();
195                         return;
196                 }
197
198                 if (cls == "GtkTreeStore") { // other stores?
199                         // tree store is buildable??? --- 
200                         this.packTreeStore();
201                         return;
202                 }
203                 if (cls =="GtkTreeViewColumn") { // other stores?
204                         //?? treeview column is actually buildable -- but we do not use the builder???
205                         this.packTreeViewColumn();
206                         return;
207                 }
208                 if (cls_gtype.is_a(typeof(global::Gtk.CellRenderer))) { // other stores?
209                         this.packCellRenderer();
210                         return;
211                 }
212
213
214                 
215                 // -- handle buildable add_child..
216                 if (    cls_gtype.is_a(typeof(global::Gtk.Buildable))
217                      && 
218                         parent.get_type().is_a(typeof(global::Gtk.Buildable))
219                 )
220                 {
221                         ((global::Gtk.Buildable)parent).add_child(gtkbuilder, 
222                                                   this.wrapped_object, null);
223                         return;
224                 }
225                 // other packing?
226
227                 
228
229         }
230
231         public void packMenu()
232         {
233
234
235                 var parent = this.parentObj.wrapped_object;
236                 if (!parent.get_type().is_a(typeof(global::Gtk.Widget))) {
237                         print("skip menu pack - parent is not a widget");
238                         return;
239                 }
240                 
241                 var p = (global::Gtk.Menu)this.wrapped_object;
242                 ((global::Gtk.Widget)parent).button_press_event.connect((s, ev) => { 
243                         p.set_screen(Gdk.Screen.get_default());
244                         p.show_all();
245                         p.popup(null, null, null, ev.button, ev.time);
246                         return true;
247                 });
248         }
249
250         public void packTreeStore()
251         {
252                 var parent = this.parentObj.wrapped_object;
253                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
254                         print("skip treestore pack - parent is not a treeview");
255                         return;
256                 }
257                 ((global::Gtk.TreeView)parent).set_model((global::Gtk.TreeModel)this.wrapped_object);
258                 
259         }
260         public void packTreeViewColumn()
261         {
262                 var parent = this.parentObj.wrapped_object;
263                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
264                         print("skip packGtkViewColumn pack - parent is not a treeview");
265                         return;
266                 }
267                 ((global::Gtk.TreeView)parent).append_column((global::Gtk.TreeViewColumn)this.wrapped_object);
268                 // init contains the add_attribute for what to render...
269                 
270         }       
271
272
273         public void packCellRenderer()
274         {
275                 var parent = this.parentObj.wrapped_object;
276                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeViewColumn))) {
277                         print("skip packGtkViewColumn pack - parent is not a treeview");
278                         return;
279                 }
280                 ((global::Gtk.TreeViewColumn)parent).pack_start((global::Gtk.CellRenderer)this.wrapped_object, false);
281                 // init contains the add_attribute for what to render...
282                 
283         }       
284
285
286         public void packContainerParams()
287         {
288          
289                 if (this.parentObj == null) {
290                         return;
291                 }
292                 // child must be a widget..
293                 if (!this.wrapped_object.get_type().is_a(typeof(global::Gtk.Widget))) {
294                         return;
295                 }
296                 
297                 var parent_gir = Palete.Gir.factoryFqn(this.parentObj.node.fqn());
298
299                 var parent = this.parentObj.wrapped_object;
300                 
301                 if (parent_gir == null) {
302                         return;
303                 }
304                 
305                 // let's test just setting expand to false...
306                 var cls_methods = parent_gir.methods;
307                 if (cls_methods == null) {
308                         return;
309                 }
310         
311                 if (!this.node.props.has_key("* pack")) {
312                         return;
313                 }
314                 
315                 var ns = this.parentObj.node.fqn().split(".")[0];
316                  
317                 var pack = this.node.props.get("* pack").split(",");
318
319         
320                 if (cls_methods.has_key(pack[0])) {
321                         var mparams = cls_methods.get(pack[0]).paramset.params;
322                         for (var i = 1; i < mparams.size; i++ ) {
323                                 if (i > (pack.length -1)) {
324                                         continue;
325                                 }
326                         
327                                 var k = mparams.get(i).name;
328
329                                 Value cur_val;
330                                  
331                                 var type = mparams.get(i).type;
332                                 type = Palete.Gir.fqtypeLookup(type, ns);
333
334                                 var val = this.toValue(pack[i].strip(), type);
335                                 if (val == null) {
336                                         print("skip (failed to transform value %s type = %s from %s\n", 
337                                                 this.parentObj.node.fqn()  + "." + k, type, pack[i].strip());
338                                         continue;
339                                 }
340                                 print ("pack:set_property ( %s , %s / %s)\n", k, pack[i].strip(), val.strdup_contents());
341         
342                                 ((global::Gtk.Container)parent).child_set_property(
343                                         (global::Gtk.Widget)this.wrapped_object , k, val);
344                                  
345                         }
346                 
347                 }
348         
349
350
351                         
352         }
353                    
354
355         public GLib.Value? toValue(string val, string type) {
356
357                 var gtkbuilder = new global::Gtk.Builder();
358
359                 if (type == "utf8") {
360                         var qret = GLib.Value(typeof(string));
361                         qret.set_string(val);
362                         return qret;
363                 }
364                 
365                 var prop_gtype = gtkbuilder.get_type_from_name(type);
366                 
367
368                 if (prop_gtype == GLib.Type.INVALID) {
369                          
370                         return null;
371                 }
372                 
373                 
374                 var ret = GLib.Value(prop_gtype);
375
376
377                 switch(type) {
378                         case "gboolean":
379                                 ret.set_boolean(val.down() == "false" ? false : true);
380                                 return ret;
381                         case "guint":
382                                 ret.set_uint(int.parse(val));
383                                 return ret;
384                                 
385                         case "gint":
386                                 ret.set_int(int.parse(val));
387                                 return ret;
388
389                         case "gfloat":
390                                 ret.set_float(long.parse(val));
391                                 return ret;
392                                 
393                         case "utf8":
394                                 ret.set_string(val);
395                                 return ret;
396
397                         default:
398
399                                 var sval =  GLib.Value(typeof(string));
400                                 sval.set_string(val);
401                         
402                                 if (!sval.transform(ref ret)) {
403                                 
404                                         return null;
405                                 }
406                                 return ret;
407                 }
408         }
409         
410          
411           
412                 
413 }