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