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                 
499                 //this.clutterfiles.el.hide();
500                  
501
502                 break;
503
504                 
505         }
506         
507         var oldstate  =this.state;
508         this.state = new_state;
509
510                 
511         this.buttonsShowHide();
512         
513         switch (this.state) {
514             
515             case State.PREVIEW:  // this is the default state when working...
516                  this.win.editpane.el.show(); // holder for tree and properties..
517              
518                  this.left_projects.el.hide(); 
519             
520
521                  this.win.rooview.el.save_easing_state();
522                  this.win.rooview.el.set_scale(1.0f,1.0f);
523                  
524                  this.win.rooview.el.restore_easing_state();
525                
526                 break;
527
528
529             case State.LISTENER:
530                 // same as prop?
531             case State.PROP:
532                 var ae =      this.left_tree.getActiveElement();
533                 if (ae == null) {
534                     this.state = oldstate;
535                     this.buttonsShowHide();
536                     return;
537                 }
538                 this.add_props.el.show_all();
539                 this.add_props.show(
540                     Palete.factory(this.win.project.xtype), 
541                     this.state == State.LISTENER ? "signals" : "props",
542                     ae.fqn()
543                 );
544  
545                     
546  
547                 this.win.rooview.el.save_easing_state();
548                 // -- FIXME? this needs to be State aware?
549                 this.resizeCanvasElements();
550                 this.win.rooview.el.restore_easing_state();
551                 
552               
553                 this.win.addpropsview.el.save_easing_state();
554                 this.win.addpropsview.el.set_scale(1.0f,1.0f);
555                 this.win.addpropsview.el.restore_easing_state();
556                 break;
557                 
558             case State.CODE:
559
560                 this.code_editor.el.show_all();
561                 
562                 // caller needs to call editor - show....
563                 this.win.rooview.el.save_easing_state();
564                 this.resizeCanvasElements();
565                 this.win.rooview.el.restore_easing_state();
566                 
567  
568                 this.win.codeeditview.el.save_easing_state();
569                 this.win.codeeditview.el.set_scale(1.0f,1.0f);
570                 this.win.codeeditview.el.restore_easing_state();    
571                 break;
572
573
574              case State.OBJECT:
575                  var n = this.left_tree.getActiveElement();
576
577                 if (this.left_tree.model.file == null) {
578                     this.state =oldstate;
579                     this.buttonsShowHide();
580                     return;
581                 }
582                 
583                 if (n == null && this.left_tree.model.file.tree != null) {
584                     this.state = oldstate;
585                     this.buttonsShowHide();
586                     return;
587                 }
588
589                 this.rightpalete.el.show_all();
590                 this.rightpalete.load(this.left_tree.getActiveFile().palete(), n == null ? "*top" : n.fqn());
591
592                 this.win.rooview.el.save_easing_state();
593                 this.resizeCanvasElements();
594                 this.win.rooview.el.restore_easing_state();
595
596                 
597                 this.win.objectview.el.save_easing_state();
598                 this.win.objectview.el.set_scale(1.0f,1.0f);
599                 this.win.objectview.el.restore_easing_state();    
600                 break;
601
602            case State.PROJECT:
603
604              if (this.win.project.xtype == "Roo") {
605                     this.projectsettings.el.show_all();
606                     this.projectsettings.show(this.win.project);
607                 } else {
608                     this.vala_projectsettings.el.show_all();
609                     this.vala_projectsettings.show((Project.Gtk)this.win.project);
610                 }
611
612                 this.win.rooview.el.save_easing_state();
613                 this.resizeCanvasElements();
614                 this.win.rooview.el.restore_easing_state();
615
616                 this.win.projecteditview.el.save_easing_state();
617                 this.win.projecteditview.el.set_scale(1.0f,1.0f);
618                 this.win.projecteditview.el.restore_easing_state();    
619                 break;
620                 
621            case State.FILES:  // can only get here from PREVIEW state.. in theory..
622                 
623    
624                 this.win.editpane.el.hide(); // holder for tree and properties..
625              
626                 this.left_projects.el.show(); 
627             
628                 var el = this.win.rooview.el;
629                 el.save_easing_state();
630                 el.set_easing_duration(1000);
631                 el.set_pivot_point(0.5f,0.5f);
632                 el.set_rotation_angle(Clutter.RotateAxis.Y_AXIS, 180.0f);
633                 el.set_opacity(0);
634                 //el.set_scale(0.0f,0.0f);
635
636  
637                 if (this.win.project != null) {
638                     this.left_projects.selectProject(this.win.project);
639                 }
640              
641                 el.restore_easing_state();
642                 
643                 break;
644
645
646         }
647
648             
649     }
650     
651     // -- buttons show hide.....
652
653     public void buttonsShowHide()
654     {
655         // basically hide everything, then show the relivant..
656
657          this.win.backbutton.el.hide();
658     
659         this.win.projectbutton.el.hide(); // show file nav...
660         this.win.editfilebutton.el.hide();
661         this.win.projecteditbutton.el.hide();
662          
663         
664         this.win.objectshowbutton.el.hide(); // add objects
665         this.win.addpropbutton.el.hide();  
666         this.win.addlistenerbutton.el.hide(); 
667
668     
669     
670         this.win.addprojectbutton.el.hide();
671         this.win.addfilebutton.el.hide();
672         this.win.delprojectbutton.el.hide();
673         this.win.new_window.el.hide();
674
675         
676         switch (this.state) {
677             
678             case State.PREVIEW:  // this is the default state when working...
679                
680                 this.win.projectbutton.el.show(); // show file nav...
681                 this.win.editfilebutton.el.show();
682                 this.win.projecteditbutton.el.show();
683                  
684                 
685                 this.win.objectshowbutton.el.show(); // add objects
686                 this.win.addpropbutton.el.show();  
687                 this.win.addlistenerbutton.el.show(); 
688                 break;
689             
690            
691             case State.CODE: 
692             case State.PROP:
693             case State.LISTENER:
694             case State.OBJECT:
695                 
696                 this.win.backbutton.el.show();
697                 this.win.objectshowbutton.el.show(); // add objects
698                 this.win.addpropbutton.el.show();  
699                 this.win.addlistenerbutton.el.show(); 
700                 break;
701             
702             case State.PROJECT: 
703                 // anything else?
704                 this.win.backbutton.el.show();
705                 break;
706             
707     
708             case State.FILES:
709                 this.win.backbutton.el.show();
710                      
711                 this.win.addprojectbutton.el.show();
712                 this.win.addfilebutton.el.show();
713                 this.win.delprojectbutton.el.show();
714                 this.win.new_window.el.show();
715                 break;
716         }
717
718     }
719
720     public int redraw_count = 0;
721     public void resizeCanvas() // called by window resize .. delays redraw
722     {
723         var rc = this.redraw_count;        
724         this.redraw_count = 2;
725         if (rc == 0) {
726             GLib.Timeout.add(100,  ()  =>{
727                  return this.resizeCanvasQueue();
728             });
729         }
730     }
731     public bool  resizeCanvasQueue()
732     {
733         //print("WindowState.resizeCanvasQueue %d\n", this.redraw_count);        
734
735         if (this.redraw_count < 1) {
736             return false; // should not really happen...
737         }
738
739
740         this.redraw_count--;
741
742         if (this.redraw_count > 0) {
743             return true; // do it again in 1 second...
744         }
745         // got down to 0 or -1....
746         this.redraw_count = 0;
747         this.resizeCanvasElements();
748         return false;
749
750     }
751     public void resizeCanvasElements()
752     {
753         Gtk.Allocation alloc;
754         this.win.clutterembed.el.get_allocation(out alloc);
755
756            // print("WindowState.resizeCanvasElements\n");
757             if (!this.children_loaded || this.win.clutterembed == null) {
758                 print("WindowState.resizeCanvasElements = ingnore not loaded or no clutterfiles\n");
759             return; 
760         }
761             //print("WindowState.resizeCanvasElements = running");
762
763         
764         // ------- project view appears at top...
765
766                
767         // ------- add property/object left - max 300px, min 50... (or disapear..)     
768         
769         var avail = alloc.width < 50.0f ? 0 :  alloc.width - 50.0f;
770         var palsize = avail < 300.0f ? avail : 300.0f;
771         //print("set palsize size %f\n", palsize);
772         // palate / props : fixed 300 pix
773                 
774  
775         // -------- code edit min 600
776         
777         var codesize = avail < 800.0f ? avail : 800.0f;
778         //print("set code size %f\n", codesize);
779
780
781             
782
783
784         
785         switch ( this.state) {
786             case State.PREVIEW:
787                 this.win.rooview.el.set_size(alloc.width-50, alloc.height);
788                 break;
789     
790             case State.FILES: 
791                 this.clutterfiles.set_size(alloc.width-50, alloc.height);
792                 break;
793
794             case State.PROJECT: 
795                 this.win.projecteditview.el.set_size(alloc.width-50, alloc.height / 2.0f);
796                 break;
797
798             case State.CODE: 
799                 this.win.codeeditview.el.set_size(codesize, alloc.height);
800                 var scale = avail > 0.0f ? (avail - codesize -10 ) / avail : 0.0f;
801                     this.win.rooview.el.set_scale(scale,scale);
802                 break;
803                 
804             case State.PROP:
805             case State.LISTENER:        
806             case State.OBJECT:  
807                 this.win.objectview.el.set_size(palsize, alloc.height);    
808                 this.win.addpropsview.el.set_size(palsize, alloc.height);
809                     var scale = avail > 0.0f ? (avail - palsize -10 ) / avail : 0.0f;
810                 this.win.rooview.el.set_scale(scale,scale);
811                 break;
812         }
813     }
814
815     
816 }
817
818