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 this;
143                 }
144                 
145                 for (var i = 0; i < this.node.items.size; i++ ) {
146
147                          var ch = this.mungeChild(this.node.items.get(i));
148                          if (ch != null) {
149                                  this.children.add(ch);
150                          }
151                          
152                 }
153                 
154                 this.afterChildren();
155                 
156                 return this;
157                 
158
159                  
160
161         }
162         
163         public void  afterChildren()
164         {
165                 // things like GtkNotebook - we have to pack children after they have been created..
166                 var cls = this.node.fqn().replace(".", "");
167                 
168                 if (cls == "GtkNotebook") {
169                         this.afterChildrenGtkNotebook();
170                 }
171                 
172                 
173                 
174         }
175         
176         public void  afterChildrenGtkNotebook()
177         {
178                 // we have a number of children..
179                 // some are labels - this might need to be more complex...
180                 // perhaps labels should be a special property labels[] of the notebook..
181                 var labels = new Gee.ArrayList<NodeToGtk>();
182                 var bodies = new Gee.ArrayList<NodeToGtk>();
183                 for (var i = 0; i < this.children.size; i++) { 
184                         var cn = this.children.get(i).node.fqn().replace(".", "");
185                         if (cn != "GtkLabel") {
186                                 bodies.add(this.children.get(i));
187                                 continue;
188                         }
189                         labels.add(this.children.get(i));
190                 }
191                 for (var i = 0; i < bodies.size; i++) { 
192                         ((global::Gtk.Notebook)this.wrapped_object).append_page(
193                                 
194                         );
195                         
196                         
197                 }
198                 
199                 
200                         
201                 
202                 
203                 
204                 
205                 
206         }
207         
208         
209         /**
210          * called after the this.object  has been created
211          * and it needs to be packed onto parent.
212          */
213         public void packParent() 
214         {
215                 var cls = this.node.fqn().replace(".", "");
216                 
217                 var gtkbuilder = new global::Gtk.Builder();
218                 var cls_gtype = gtkbuilder.get_type_from_name(cls);
219
220                 if (this.parentObj == null) {
221                         return;
222                 }
223                                 
224                     
225                 var parent = this.parentObj.wrapped_object;
226                 
227                 var do_pack =true;
228
229                 if (parent == null) { // no parent.. can not pack.
230                         return; /// 
231                 }
232                 // -------------  handle various special parents .. -----------
233                 
234                 var par_type = this.parentObj.node.fqn().replace(".", "");
235                 
236                 if (par_type == "GtkNotebook") {
237                         // do not pack - it's done afterwards...
238                         return;
239                 }
240                 
241                 // -------------  handle various child types.. -----------
242                 // our overrides
243                 if (cls == "GtkMenu") {
244                         this.packMenu();
245                         return;
246                 }
247
248                 if (cls == "GtkTreeStore") { // other stores?
249                         // tree store is buildable??? --- 
250                         this.packTreeStore();
251                         return;
252                 }
253                 if (cls =="GtkTreeViewColumn") { // other stores?
254                         //?? treeview column is actually buildable -- but we do not use the builder???
255                         this.packTreeViewColumn();
256                         return;
257                 }
258                 if (cls_gtype.is_a(typeof(global::Gtk.CellRenderer))) { // other stores?
259                         this.packCellRenderer();
260                         return;
261                 }
262
263
264                 
265                 // -- handle buildable add_child..
266                 if (    cls_gtype.is_a(typeof(global::Gtk.Buildable))
267                      && 
268                         parent.get_type().is_a(typeof(global::Gtk.Buildable))
269                 )
270                 {
271                         ((global::Gtk.Buildable)parent).add_child(gtkbuilder, 
272                                                   this.wrapped_object, null);
273                         return;
274                 }
275                 // other packing?
276
277                 
278
279         }
280
281         public void packMenu()
282         {
283
284
285                 var parent = this.parentObj.wrapped_object;
286                 if (!parent.get_type().is_a(typeof(global::Gtk.Widget))) {
287                         print("skip menu pack - parent is not a widget");
288                         return;
289                 }
290                 
291                 var p = (global::Gtk.Menu)this.wrapped_object;
292                 ((global::Gtk.Widget)parent).button_press_event.connect((s, ev) => { 
293                         p.set_screen(Gdk.Screen.get_default());
294                         p.show_all();
295                         p.popup(null, null, null, ev.button, ev.time);
296                         return true;
297                 });
298         }
299
300         public void packTreeStore()
301         {
302                 var parent = this.parentObj.wrapped_object;
303                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
304                         print("skip treestore pack - parent is not a treeview");
305                         return;
306                 }
307                 ((global::Gtk.TreeView)parent).set_model((global::Gtk.TreeModel)this.wrapped_object);
308                 
309         }
310         public void packTreeViewColumn()
311         {
312                 var parent = this.parentObj.wrapped_object;
313                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
314                         print("skip packGtkViewColumn pack - parent is not a treeview");
315                         return;
316                 }
317                 ((global::Gtk.TreeView)parent).append_column((global::Gtk.TreeViewColumn)this.wrapped_object);
318                 // init contains the add_attribute for what to render...
319                 
320         }       
321
322
323         public void packCellRenderer()
324         {
325                 var parent = this.parentObj.wrapped_object;
326                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeViewColumn))) {
327                         print("skip packGtkViewColumn pack - parent is not a treeview");
328                         return;
329                 }
330                 ((global::Gtk.TreeViewColumn)parent).pack_start((global::Gtk.CellRenderer)this.wrapped_object, false);
331                 // init contains the add_attribute for what to render...
332                 
333         }       
334
335
336         public void packContainerParams()
337         {
338          
339                 if (this.parentObj == null) {
340                         return;
341                 }
342                 // child must be a widget..
343                 if (!this.wrapped_object.get_type().is_a(typeof(global::Gtk.Widget))) {
344                         return;
345                 }
346                 
347                 var parent_gir = Palete.Gir.factoryFqn(this.parentObj.node.fqn());
348
349                 var parent = this.parentObj.wrapped_object;
350                 
351                 if (parent_gir == null) {
352                         return;
353                 }
354                 
355                 // let's test just setting expand to false...
356                 var cls_methods = parent_gir.methods;
357                 if (cls_methods == null) {
358                         return;
359                 }
360         
361                 if (!this.node.props.has_key("* pack")) {
362                         return;
363                 }
364                 
365                 var ns = this.parentObj.node.fqn().split(".")[0];
366                  
367                 var pack = this.node.props.get("* pack").split(",");
368
369         
370                 if (cls_methods.has_key(pack[0])) {
371                         var mparams = cls_methods.get(pack[0]).paramset.params;
372                         for (var i = 1; i < mparams.size; i++ ) {
373                                 if (i > (pack.length -1)) {
374                                         continue;
375                                 }
376                         
377                                 var k = mparams.get(i).name;
378
379                                 Value cur_val;
380                                  
381                                 var type = mparams.get(i).type;
382                                 type = Palete.Gir.fqtypeLookup(type, ns);
383
384                                 var val = this.toValue(pack[i].strip(), type);
385                                 if (val == null) {
386                                         print("skip (failed to transform value %s type = %s from %s\n", 
387                                                 this.parentObj.node.fqn()  + "." + k, type, pack[i].strip());
388                                         continue;
389                                 }
390                                 print ("pack:set_property ( %s , %s / %s)\n", k, pack[i].strip(), val.strdup_contents());
391         
392                                 ((global::Gtk.Container)parent).child_set_property(
393                                         (global::Gtk.Widget)this.wrapped_object , k, val);
394                                  
395                         }
396                 
397                 }
398         
399
400
401                         
402         }
403                    
404
405         public GLib.Value? toValue(string val, string type) {
406
407                 var gtkbuilder = new global::Gtk.Builder();
408
409                 if (type == "utf8") {
410                         var qret = GLib.Value(typeof(string));
411                         qret.set_string(val);
412                         return qret;
413                 }
414                 
415                 var prop_gtype = gtkbuilder.get_type_from_name(type);
416                 
417
418                 if (prop_gtype == GLib.Type.INVALID) {
419                          
420                         return null;
421                 }
422                 
423                 
424                 var ret = GLib.Value(prop_gtype);
425
426
427                 switch(type) {
428                         case "gboolean":
429                                 ret.set_boolean(val.down() == "false" ? false : true);
430                                 return ret;
431                         case "guint":
432                                 ret.set_uint(int.parse(val));
433                                 return ret;
434                                 
435                         case "gint":
436                                 ret.set_int(int.parse(val));
437                                 return ret;
438
439                         case "gfloat":
440                                 ret.set_float(long.parse(val));
441                                 return ret;
442                                 
443                         case "utf8":
444                                 ret.set_string(val);
445                                 return ret;
446
447                         default:
448
449                                 var sval =  GLib.Value(typeof(string));
450                                 sval.set_string(val);
451                         
452                                 if (!sval.transform(ref ret)) {
453                                 
454                                         return null;
455                                 }
456                                 return ret;
457                 }
458         }
459         
460          
461           
462                 
463 }