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