src/Builder4/WindowState.vala
[app.Builder.js] / src / Builder4 / WindowState.vala
1 /**
2  * as state management is a bit too complicated inside the builder
3  * it's better to seperate this into this class
4  * 
5  * This class has references to all the Class instances that make up the window..
6  * 
7  */
8 public class WindowState : Object 
9 {
10     public Xcls_MainWindow win;
11
12     public enum State {
13         NONE,
14         PREVIEW,
15         OBJECT,
16         PROP,
17         LISTENER,
18         CODE,
19         FILES,
20         PROJECT // project settings..
21     }
22
23     public State state = State.NONE;
24
25     public bool children_loaded = false;
26
27     
28     public Xcls_WindowLeftTree  left_tree;
29     public Xcls_WindowAddProp   add_props;
30     public Xcls_LeftProps       left_props;
31     public Xcls_ProjectSettings projectsettings;
32     public ValaProjectSettings  vala_projectsettings;
33     public Xcls_RightPalete     rightpalete;
34     public Editor               code_editor;    
35     public Xcls_WindowRooView   window_rooview;
36     public Xcls_GtkView         window_gladeview;
37     public Xcls_DialogNewComponent new_file_dialog;
38     public Xcls_ClutterFiles     clutterfiles;
39
40     public Xcls_WindowLeftProjects left_projects; // can not see where this is initialized.. 
41     // ctor 
42     public WindowState(Xcls_MainWindow win)
43     {
44         this.win = win;
45         // initialize
46
47         // left elements..
48         this.leftTreeInit();
49         this.propsListInit();
50
51         // on clutter space...
52         this.projectEditInit();
53         this.codeEditInit();
54         this.projectListInit();
55         this.fileViewInit();
56         
57         // adding stuff
58         this.objectAddInit();
59         this.propsAddInit();
60      
61         
62         // previews...
63         this.gtkViewInit();
64         this.webkitViewInit();
65
66         // dialogs
67
68         this.fileNewInit();
69
70         this.children_loaded = true;
71     }
72
73
74     // left tree
75
76     public void leftTreeInit()
77     {
78      
79         this.left_tree = new Xcls_WindowLeftTree();
80         this.left_tree.ref();
81         this.left_tree.main_window = this.win;
82     
83         this.win.tree.el.pack_start(this.left_tree.el,true, true,0);
84         this.left_tree.el.show_all();
85            
86         this.left_tree.before_node_change.connect(() => {
87             return this.leftTreeBeforeChange();
88
89         });
90
91         this.left_tree.node_selected.connect((sel) => {
92             this.leftTreeNodeSelected(sel);
93         });
94      
95         this.left_tree.changed.connect(() => {
96             this.window_rooview.requestRedraw();
97             this.left_tree.model.file.save();
98         });
99          
100     }
101
102     public bool leftTreeBeforeChange()
103     {
104         if (this.state != State.CODE) {
105             this.left_props.finish_editing();
106             return true;
107         }
108         if (!this.code_editor.saveContents()) {
109             return false;
110         }
111         return false;
112     }
113     
114     public void leftTreeNodeSelected(JsRender.Node? sel)
115     {
116
117         print("node_selected called %s\n", (sel == null) ? "NULL" : "a value");
118
119         if (sel == null) {
120             this.left_props.el.hide();
121         } 
122         this.left_props.el.show();
123         this.left_props.load(this.left_tree.getActiveFile(), sel);
124         switch (this.state) {
125             
126             case State.OBJECT: 
127                   
128                  if (sel == null) {
129                     this.rightpalete.clear();
130                     break;
131                 }
132                 this.rightpalete.load(this.left_tree.getActiveFile().palete(), sel.fqn());
133                 break;
134                  
135         
136            case State.PROP:
137                 if (sel == null) {
138                     this.add_props.clear();
139                     break;
140                 }
141                 this.add_props.show(this.left_tree.getActiveFile().palete(), "props", sel.fqn());
142                 break;
143
144             case State.LISTENER:
145                
146                 if (sel == null) {
147                     this.add_props.clear();
148                     break;
149                 }
150                 this.add_props.show(this.left_tree.getActiveFile().palete(), "signals", sel.fqn());
151                 break;
152                 
153             case State.CODE:
154                  this.switchState(State.PREVIEW);
155              
156                 break;
157                
158                             
159         }
160          
161
162     }
163
164
165
166
167     public void propsListInit()
168     {
169     
170         this.left_props =new Xcls_LeftProps();
171         this.left_props.ref();
172         this.left_props.main_window = this.win;
173         this.win.props.el.pack_start(this.left_props.el,true, true,0);
174         this.left_props.el.show_all();
175     
176         this.left_props.show_editor.connect( (file, node, type,  key) => {
177             this.switchState(State.CODE);
178             this.code_editor.show(
179                 file,
180                 node,
181                 type,
182                 key
183             );
184             
185             
186         });
187
188    
189         this.left_props.stop_editor.connect( () => {
190             if (this.state != State.CODE) {
191                 return true;
192             }
193     
194             var ret =  this.code_editor.saveContents();
195             if (!ret) {
196                 return false;
197             }
198             this.switchState(State.PREVIEW);
199             return ret;
200         });
201     
202         this.left_props.changed.connect(() => {
203               if (this.left_tree.getActiveFile().xtype == "Roo" ) {
204                    this.win.window_rooview.requestRedraw();
205                    
206                } else {
207                   this.win.window_gladeview.loadFile(this.left_tree.getActiveFile());
208               }
209               this.left_tree.model.updateSelected();
210               this.left_tree.model.file.save();
211         });
212     
213
214
215     }
216
217     //-------------  projects edit
218
219     public void projectEditInit()
220     {
221         this.projectsettings  =new Xcls_ProjectSettings();
222         this.projectsettings.ref();  /// really?
223     
224         this.vala_projectsettings  =new ValaProjectSettings();
225         this.vala_projectsettings.ref();
226         this.vala_projectsettings.window = this.win;
227     
228         ((Gtk.Container)(this.win.projecteditview.el.get_widget())).add(this.projectsettings.el);
229         //this.projectsettings.el.show_all();
230
231         var stage = this.win.projecteditview.el.get_stage();
232         stage.set_background_color(  Clutter.Color.from_string("#000"));
233     
234         this.projectsettings.buttonPressed.connect((btn) => {
235              if (this.left_tree.getActiveFile().xtype == "Roo" ) {
236                 if (btn == "save") {
237                     this.window_rooview.view.renderJS(true);
238                 }
239                 if (btn == "apply") {
240                     this.window_rooview.view.renderJS(true);
241                     return;
242                 }
243             } else {
244                 // do nothing for gtk..
245             }
246             if (btn == "save" || btn == "apply") {
247                 this.win.project.save();
248          
249             }
250             this.switchState (State.PREVIEW); 
251              
252          });
253
254     }
255     // ----------- object adding
256     public void objectAddInit()
257     {
258
259         this.rightpalete  = new Xcls_RightPalete();
260         this.rightpalete.ref();  /// really?
261         ((Gtk.Container)(this.win.objectview.el.get_widget())).add(this.rightpalete.el);
262         //this.projectsettings.el.show_all();
263
264         var stage = this.win.objectview.el.get_stage();
265         stage.set_background_color(  Clutter.Color.from_string("#000"));
266            
267     }
268     
269     // -----------  properties adding list...
270     // listener uses the properties 
271     public void propsAddInit()
272     {
273     // Add properties
274         this.add_props  = new Xcls_WindowAddProp();
275         this.add_props.ref();  /// really?
276         ((Gtk.Container)(this.win.addpropsview.el.get_widget())).add(this.add_props.el);
277         //this.projectsettings.el.show_all();
278
279         var  stage = this.win.addpropsview.el.get_stage();
280         stage.set_background_color(  Clutter.Color.from_string("#000"));
281
282
283         this.add_props.select.connect( (key,type,skel, etype) => {
284             this.left_props.addProp(etype, key, skel, type);
285         });
286
287     }
288     public void propsAddShow()
289     {
290
291     }
292     public void propsAddHide()
293     {
294     
295     }
296
297
298
299     
300     // ----------- Add / Edit listener
301     // listener uses the properties 
302     //public void listenerInit()     { }
303     public void listenerShow()
304     {
305
306     }
307     public void listenerHide()
308     {
309     
310     }
311
312     // -------------- codeEditor
313
314     public void codeEditInit()
315     {
316         this.code_editor  = new  Editor();
317         this.code_editor.ref();  /// really?
318         ((Gtk.Container)(this.win.codeeditview.el.get_widget())).add(this.code_editor.el);
319         //this.projectsettings.el.show_all();
320
321         var stage = this.win.codeeditview.el.get_stage();
322         stage.set_background_color(  Clutter.Color.from_string("#000"));
323         // editor.save...
324
325         this.code_editor.save.connect( () => {
326              this.left_tree.model.file.save();
327              this.left_tree.model.updateSelected();
328         });
329         
330     }
331
332     // ----------- list of projects on left
333     public void  projectListInit() 
334     {
335
336         this.left_projects = new Xcls_WindowLeftProjects();
337          this.left_projects.ref();
338          this.win.leftpane.el.pack_start(this.left_projects.el,true, true,0);
339          this.left_projects.el.show_all();
340          this.left_projects.project_selected.connect((proj) => {
341             proj.scanDirs();
342             this.clutterfiles.loadProject(proj);
343         
344          });
345
346     }
347     // ----------- file view
348
349     public void fileViewInit()
350     {
351         var stage = this.win.rooview.el.get_stage(); // seems odd... 
352         this.clutterfiles = new Xcls_ClutterFiles();
353         this.clutterfiles.ref();
354         stage.add_child(this.clutterfiles.el);
355         this.clutterfiles.el.show_all();
356
357
358         this.clutterfiles.open.connect((file) => { 
359             this.fileViewOpen(file);
360         });
361
362     }
363     public void fileNewInit()
364     {
365         this.new_file_dialog = new Xcls_DialogNewComponent();
366         // force it modal to the main window..
367         this.new_file_dialog.el.set_transient_for(this.win.el);
368         this.new_file_dialog.el.set_modal(true);
369     
370         this.new_file_dialog.success.connect((project,file) =>
371         {
372             this.fileViewOpen(file);
373         });
374
375     }
376
377     
378     public void fileViewOpen(JsRender.JsRender file)
379     {
380         this.win.project = file.project;
381         this.switchState (State.PREVIEW); 
382         
383         this.left_tree.model.loadFile(file);
384     
385         var ctr= ((Gtk.Container)(this.win.rooview.el.get_widget()));
386         var ctr_p= ((Gtk.Container)(this.win.projecteditview.el.get_widget()));
387     
388         if (file.xtype == "Roo" ) { 
389             ctr.foreach( (w) => { ctr.remove(w); });
390             ctr_p.foreach( (w) => { ctr_p.remove(w); });
391             ctr.add(this.window_rooview.el);
392             ctr_p.add(this.projectsettings.el);            
393             this.window_rooview.loadFile(file);
394             this.window_rooview.el.show_all();
395             this.projectsettings.el.show_all();            
396
397         } else {
398             ctr.foreach( (w) => { ctr.remove(w); });
399             ctr_p.foreach( (w) => { ctr_p.remove(w); });            
400             ctr.add(this.window_gladeview.el);
401             ctr_p.add(this.vala_projectsettings.el);
402             this.window_gladeview.loadFile(file);
403             this.window_gladeview.el.show_all();
404             this.vala_projectsettings.el.show_all();
405         }
406         print("OPEN : " + file.name);
407         this.win.editpane.el.set_position(this.win.editpane.el.max_position);
408         this.win.setTitle(file.project.name + " : " +file.name);
409              
410
411         }
412
413     
414     // ---------  webkit view
415     public void webkitViewInit()
416     {
417         this.window_rooview  =new Xcls_WindowRooView();
418         this.window_rooview.ref();
419         ((Gtk.Container)(this.win.rooview.el.get_widget())).add(this.window_rooview.el);
420         this.window_rooview.el.show_all();
421
422         var stage = this.win.rooview.el.get_stage();
423         stage.set_background_color(  Clutter.Color.from_string("#000"));
424     }
425
426     // ------ Gtk  - view
427
428     public void gtkViewInit()
429     {
430         this.window_gladeview  =new Xcls_GtkView();
431         this.window_gladeview.ref();
432     }
433
434     public void switchState(State new_state)
435     {
436         
437
438         
439         switch (this.state) {
440
441             case State.PREVIEW:
442                 if (this.left_tree.getActiveFile() != null) {
443                      if (this.left_tree.getActiveFile().xtype == "Roo" ) {
444                          this.window_rooview.createThumb();
445                      } else {
446                           this.window_gladeview.createThumb();
447                       }
448                 }
449                 // normally we are going from preview to another state.
450                 // and different windows hide the preview in differnt ways..
451                 
452                 break;
453             
454            case State.LISTENER:
455            case State.PROP:
456                 this.win.addpropsview.el.save_easing_state();
457                 this.win.addpropsview.el.set_scale(0.0f,0.0f);
458                 this.win.addpropsview.el.restore_easing_state();   
459                 break;
460                 
461             case State.CODE:
462
463
464                 this.code_editor.saveContents();
465                 this.win.codeeditview.el.save_easing_state();
466                 this.win.codeeditview.el.set_scale(0.0f,0.0f);
467                 this.win.codeeditview.el.restore_easing_state();    
468                 break;
469
470
471              case State.OBJECT:
472                 this.win.objectview.el.save_easing_state();
473                 this.win.objectview.el.set_scale(0.0f,0.0f);
474                 this.win.objectview.el.restore_easing_state();    
475                 break;
476
477            case State.PROJECT:
478                 this.win.projecteditview.el.save_easing_state();
479                 this.win.projecteditview.el.set_scale(0.0f,0.0f);
480                 this.win.projecteditview.el.restore_easing_state();    
481                 break;
482
483           case State.FILES:
484                 // hide files...
485                 this.win.rooview.el.save_easing_state();
486                 this.win.rooview.el.set_rotation_angle(Clutter.RotateAxis.Y_AXIS, 0.0f);
487                 this.win.rooview.el.set_scale(1.0f,1.0f);
488                 this.win.rooview.el.set_pivot_point(0.5f,0.5f);
489                 this.win.rooview.el.set_opacity(0xff);
490                 this.win.rooview.el.restore_easing_state();  
491                 
492                 
493                 this.clutterfiles.el.save_easing_state();
494                 this.clutterfiles.el.set_easing_duration(1000);
495                 this.clutterfiles.el.set_pivot_point(0.5f,0.5f);
496                 this.clutterfiles.el.set_rotation_angle(Clutter.RotateAxis.Y_AXIS, -180.0f);
497                 this.clutterfiles.el.set_opacity(0);
498                 this.clutterfiles.el.restore_easing_state();  
499
500                 //this.clutterfiles.el.hide();
501                  
502
503                 break;
504
505                 
506         }
507         
508         var oldstate  =this.state;
509         this.state = new_state;
510
511                 
512         this.buttonsShowHide();
513         
514         switch (this.state) {
515             
516             case State.PREVIEW:  // this is the default state when working...
517                  this.win.editpane.el.show(); // holder for tree and properties..
518              
519                  this.left_projects.el.hide(); 
520             
521
522                  this.win.rooview.el.save_easing_state();
523                  this.win.rooview.el.set_scale(1.0f,1.0f);
524                  
525                  this.win.rooview.el.restore_easing_state();
526                
527                 break;
528
529
530             case State.LISTENER:
531                 // same as prop?
532             case State.PROP:
533                 var ae =      this.left_tree.getActiveElement();
534                 if (ae == null) {
535                     this.state = oldstate;
536                     this.buttonsShowHide();
537                     return;
538                 }
539                 this.add_props.el.show_all();
540                 this.add_props.show(
541                     Palete.factory(this.win.project.xtype), 
542                     this.state == State.LISTENER ? "signals" : "props",
543                     ae.fqn()
544                 );
545  
546                     
547  
548                 this.win.rooview.el.save_easing_state();
549                 // -- FIXME? this needs to be State aware?
550                 this.resizeCanvasElements();
551                 this.win.rooview.el.restore_easing_state();
552                 
553               
554                 this.win.addpropsview.el.save_easing_state();
555                 this.win.addpropsview.el.set_scale(1.0f,1.0f);
556                 this.win.addpropsview.el.restore_easing_state();
557                 break;
558                 
559             case State.CODE:
560
561                 this.code_editor.el.show_all();
562                 
563                 // caller needs to call editor - show....
564                 this.win.rooview.el.save_easing_state();
565                 this.resizeCanvasElements();
566                 this.win.rooview.el.restore_easing_state();
567                 
568  
569                 this.win.codeeditview.el.save_easing_state();
570                 this.win.codeeditview.el.set_scale(1.0f,1.0f);
571                 this.win.codeeditview.el.restore_easing_state();    
572                 break;
573
574
575              case State.OBJECT:
576                  var n = this.left_tree.getActiveElement();
577
578                 if (this.left_tree.model.file == null) {
579                     this.state =oldstate;
580                     this.buttonsShowHide();
581                     return;
582                 }
583                 
584                 if (n == null && this.left_tree.model.file.tree != null) {
585                     this.state = oldstate;
586                     this.buttonsShowHide();
587                     return;
588                 }
589
590                 this.rightpalete.el.show_all();
591                 this.rightpalete.load(this.left_tree.getActiveFile().palete(), n == null ? "*top" : n.fqn());
592
593                 this.win.rooview.el.save_easing_state();
594                 this.resizeCanvasElements();
595                 this.win.rooview.el.restore_easing_state();
596
597                 
598                 this.win.objectview.el.save_easing_state();
599                 this.win.objectview.el.set_scale(1.0f,1.0f);
600                 this.win.objectview.el.restore_easing_state();    
601                 break;
602
603            case State.PROJECT:
604
605              if (this.win.project.xtype == "Roo") {
606                     this.projectsettings.el.show_all();
607                     this.projectsettings.show(this.win.project);
608                 } else {
609                     this.vala_projectsettings.el.show_all();
610                     this.vala_projectsettings.show((Project.Gtk)this.win.project);
611                 }
612
613                 this.win.rooview.el.save_easing_state();
614                 this.resizeCanvasElements();
615                 this.win.rooview.el.restore_easing_state();
616
617                 this.win.projecteditview.el.save_easing_state();
618                 this.win.projecteditview.el.set_scale(1.0f,1.0f);
619                 this.win.projecteditview.el.restore_easing_state();    
620                 break;
621                 
622            case State.FILES:  // can only get here from PREVIEW state.. in theory..
623                 
624    
625                 this.win.editpane.el.hide(); // holder for tree and properties..
626              
627                 this.left_projects.el.show(); 
628             
629                 var el = this.win.rooview.el;
630                 el.save_easing_state();
631                 el.set_easing_duration(1000);
632                 el.set_pivot_point(0.5f,0.5f);
633                 el.set_rotation_angle(Clutter.RotateAxis.Y_AXIS, 180.0f);
634                 el.set_opacity(0);
635                 //el.set_scale(0.0f,0.0f);
636
637  
638                 if (this.win.project != null) {
639                     this.left_projects.selectProject(this.win.project);
640                 }
641              
642                 el.restore_easing_state();
643                 
644                 
645                 this.clutterfiles.el.save_easing_state();
646                 this.clutterfiles.el.set_easing_duration(1000);
647                 this.clutterfiles.el.set_pivot_point(0.5f,0.5f);
648                 this.clutterfiles.el.set_rotation_angle(Clutter.RotateAxis.Y_AXIS, 0.0f);
649                 this.clutterfiles.el.set_opacity(0xff);
650                 this.clutterfiles.el.restore_easing_state();  
651                 
652                 
653                 break;
654
655
656         }
657
658             
659     }
660     
661     // -- buttons show hide.....
662
663     public void buttonsShowHide()
664     {
665         // basically hide everything, then show the relivant..
666
667          this.win.backbutton.el.hide();
668     
669         this.win.projectbutton.el.hide(); // show file nav...
670         this.win.editfilebutton.el.hide();
671         this.win.projecteditbutton.el.hide();
672          
673         
674         this.win.objectshowbutton.el.hide(); // add objects
675         this.win.addpropbutton.el.hide();  
676         this.win.addlistenerbutton.el.hide(); 
677
678     
679     
680         this.win.addprojectbutton.el.hide();
681         this.win.addfilebutton.el.hide();
682         this.win.delprojectbutton.el.hide();
683         this.win.new_window.el.hide();
684
685         
686         switch (this.state) {
687             
688             case State.PREVIEW:  // this is the default state when working...
689                
690                 this.win.projectbutton.el.show(); // show file nav...
691                 this.win.editfilebutton.el.show();
692                 this.win.projecteditbutton.el.show();
693                  
694                 
695                 this.win.objectshowbutton.el.show(); // add objects
696                 this.win.addpropbutton.el.show();  
697                 this.win.addlistenerbutton.el.show(); 
698                 break;
699             
700            
701             case State.CODE: 
702             case State.PROP:
703             case State.LISTENER:
704             case State.OBJECT:
705                 
706                 this.win.backbutton.el.show();
707                 this.win.objectshowbutton.el.show(); // add objects
708                 this.win.addpropbutton.el.show();  
709                 this.win.addlistenerbutton.el.show(); 
710                 break;
711             
712             case State.PROJECT: 
713                 // anything else?
714                 this.win.backbutton.el.show();
715                 break;
716             
717     
718             case State.FILES:
719                 this.win.backbutton.el.show();
720                      
721                 this.win.addprojectbutton.el.show();
722                 this.win.addfilebutton.el.show();
723                 this.win.delprojectbutton.el.show();
724                 this.win.new_window.el.show();
725                 break;
726         }
727
728     }
729
730     public int redraw_count = 0;
731     public void resizeCanvas() // called by window resize .. delays redraw
732     {
733         var rc = this.redraw_count;        
734         this.redraw_count = 2;
735         if (rc == 0) {
736             GLib.Timeout.add(100,  ()  =>{
737                  return this.resizeCanvasQueue();
738             });
739         }
740     }
741     public bool  resizeCanvasQueue()
742     {
743         //print("WindowState.resizeCanvasQueue %d\n", this.redraw_count);        
744
745         if (this.redraw_count < 1) {
746             return false; // should not really happen...
747         }
748
749
750         this.redraw_count--;
751
752         if (this.redraw_count > 0) {
753             return true; // do it again in 1 second...
754         }
755         // got down to 0 or -1....
756         this.redraw_count = 0;
757         this.resizeCanvasElements();
758         return false;
759
760     }
761     public void resizeCanvasElements()
762     {
763         Gtk.Allocation alloc;
764         this.win.clutterembed.el.get_allocation(out alloc);
765
766            // print("WindowState.resizeCanvasElements\n");
767             if (!this.children_loaded || this.win.clutterembed == null) {
768                 print("WindowState.resizeCanvasElements = ingnore not loaded or no clutterfiles\n");
769             return; 
770         }
771             //print("WindowState.resizeCanvasElements = running");
772
773         
774         // ------- project view appears at top...
775
776                
777         // ------- add property/object left - max 300px, min 50... (or disapear..)     
778         
779         var avail = alloc.width < 50.0f ? 0 :  alloc.width - 50.0f;
780         var palsize = avail < 300.0f ? avail : 300.0f;
781         //print("set palsize size %f\n", palsize);
782         // palate / props : fixed 300 pix
783                 
784  
785         // -------- code edit min 600
786         
787         var codesize = avail < 800.0f ? avail : 800.0f;
788         //print("set code size %f\n", codesize);
789
790
791             
792
793
794         
795         switch ( this.state) {
796             case State.PREVIEW:
797                 this.win.rooview.el.set_size(alloc.width-50, alloc.height);
798                 break;
799     
800             case State.FILES: 
801                 this.clutterfiles.set_size(alloc.width-50, alloc.height);
802                 break;
803
804             case State.PROJECT: 
805                 this.win.projecteditview.el.set_size(alloc.width-50, alloc.height / 2.0f);
806                 break;
807
808             case State.CODE: 
809                 this.win.codeeditview.el.set_size(codesize, alloc.height);
810                 var scale = avail > 0.0f ? (avail - codesize -10 ) / avail : 0.0f;
811                     this.win.rooview.el.set_scale(scale,scale);
812                 break;
813                 
814             case State.PROP:
815             case State.LISTENER:        
816             case State.OBJECT:  
817                 this.win.objectview.el.set_size(palsize, alloc.height);    
818                 this.win.addpropsview.el.set_size(palsize, alloc.height);
819                     var scale = avail > 0.0f ? (avail - palsize -10 ) / avail : 0.0f;
820                 this.win.rooview.el.set_scale(scale,scale);
821                 break;
822         }
823     }
824
825     
826 }
827
828