src/Palete/CompletionProvider.vala
[app.Builder.js] / src / Palete / CompletionProvider.vala
1  
2 using Gtk;
3
4 // not sure why - but extending Gtk.SourceCompletionProvider seems to give an error..
5 namespace Palete {
6
7     public class CompletionProvider : Object, SourceCompletionProvider
8     {
9                 Editor editor; 
10                 WindowState windowstate;
11                 //public List<Gtk.SourceCompletionItem> filtered_proposals;
12
13                 public CompletionProvider(Editor editor)
14                 {
15                     this.editor  = editor;
16                     
17                     
18                 }
19
20                 public string get_name ()
21                 {
22                   return  "test";
23                 }
24
25                 public int get_priority ()
26                 {
27                   return 1;
28                 }
29
30                 public bool match (SourceCompletionContext context)
31                 {
32                 
33                         return true;
34                 }
35
36                 public void populate (SourceCompletionContext context)
37                 {
38                         if (this.windowstate == null) {
39                                 this.windowstate = this.editor.window.windowstate;
40                         }
41                         
42                         
43                         var buffer = context.completion.view.buffer;
44                         var  mark = buffer.get_insert ();
45                         TextIter end;
46
47                         buffer.get_iter_at_mark (out end, mark);
48                         var endpos = end;
49                         
50                         var searchpos = endpos;
51                         
52                         searchpos.backward_find_char(is_space, null);
53                         searchpos.forward_char();
54                         var search = endpos.get_text(searchpos);
55                         print("got search %s\n", search);
56                         
57                         if (search.length < 2) {
58                                 return;
59                         }
60                         // now do our magic..
61                         var filtered_proposals = this.windowstate.file.palete().suggestComplete(
62                                 this.windowstate.file,
63                                 this.editor.node,
64                                 this.editor.ptype,
65                                 this.editor.key,
66                                 search
67                         );
68                         
69                          
70                         context.add_proposals (this, filtered_proposals, true);
71                 }
72
73                 public bool activate_proposal (SourceCompletionProposal proposal, TextIter iter)
74                 {
75                         var istart = iter;
76                         istart.backward_find_char(is_space, null);
77                         istart.forward_char();
78
79                 //    var search = iter.get_text(istart);           
80                 
81                         var buffer = iter.get_buffer();
82                         buffer.delete(ref istart, ref iter);
83                         buffer.insert(ref istart, proposal.get_text(), -1);
84                 
85                         return true;
86                 }
87
88                 public SourceCompletionActivation get_activation ()
89                 {
90                         //if(SettingsManager.Get_Setting("complete_auto") == "true"){
91                                 return SourceCompletionActivation.INTERACTIVE | SourceCompletionActivation.USER_REQUESTED;
92                         //} else {
93                         //      return Gtk.SourceCompletionActivation.USER_REQUESTED;
94                         //}
95                 }
96
97                 public int get_interactive_delay ()
98                 {
99                         return -1;
100                 }
101
102                 public bool get_start_iter (SourceCompletionContext context, SourceCompletionProposal proposal, out TextIter iter)
103                 {
104                         return false;
105                 }
106
107                 public void update_info (SourceCompletionProposal proposal, SourceCompletionInfo info)
108                 {
109
110                 }
111
112                 private bool is_space(unichar space){
113                         return space.isspace() || space.to_string() == "";
114                 }
115                 
116                 private bool is_forward_space(unichar space){
117                         return !(
118                                 space.to_string() == " "
119                                 ||
120                                 space.to_string() == ""
121                                 ||
122                                 space.to_string() == "\n"
123                                 ||
124                                 space.to_string() == ")"
125                                 ||
126                                 space.to_string() == "("
127                                 
128                         );
129                 }
130         }
131
132
133