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