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                     this.windowstate = editor.window.windowstate;
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                         var buffer = context.completion.view.buffer;
39                         var  mark = buffer.get_insert ();
40                         TextIter end;
41
42                         buffer.get_iter_at_mark (out end, mark);
43                         var endpos = end;
44                         
45                         var searchpos = endpos;
46                         
47                         searchpos.backward_find_char(is_space, null);
48                         searchpos.forward_char();
49                         var search = endpos.get_text(searchpos);
50                         print("got search %s\n", search);
51                         
52                         if (search.length < 2) {
53                                 return;
54                         }
55                         // now do our magic..
56                         var filtered_proposals = windowstate.file.palete().suggestComplete(
57                                 this.windowstate.file,
58                                 this.editor.node,
59                                 this.editor.ptype,
60                                 this.editor.key,
61                                 search
62                         );
63                         
64                          
65                         context.add_proposals (this, filtered_proposals, true);
66                 }
67
68                 public bool activate_proposal (SourceCompletionProposal proposal, TextIter iter)
69                 {
70                         var istart = iter;
71                         istart.backward_find_char(is_space, null);
72                         istart.forward_char();
73
74                 //    var search = iter.get_text(istart);           
75                 
76                         var buffer = iter.get_buffer();
77                         buffer.delete(ref istart, ref iter);
78                         buffer.insert(ref istart, proposal.get_text(), -1);
79                 
80                         return true;
81                 }
82
83                 public SourceCompletionActivation get_activation ()
84                 {
85                         //if(SettingsManager.Get_Setting("complete_auto") == "true"){
86                                 return SourceCompletionActivation.INTERACTIVE | SourceCompletionActivation.USER_REQUESTED;
87                         //} else {
88                         //      return Gtk.SourceCompletionActivation.USER_REQUESTED;
89                         //}
90                 }
91
92                 public int get_interactive_delay ()
93                 {
94                         return -1;
95                 }
96
97                 public bool get_start_iter (SourceCompletionContext context, SourceCompletionProposal proposal, out TextIter iter)
98                 {
99                         return false;
100                 }
101
102                 public void update_info (SourceCompletionProposal proposal, SourceCompletionInfo info)
103                 {
104
105                 }
106
107                 private bool is_space(unichar space){
108                         return space.isspace() || space.to_string() == "";
109                 }
110                 
111                 private bool is_forward_space(unichar space){
112                         return !(
113                                 space.to_string() == " "
114                                 ||
115                                 space.to_string() == ""
116                                 ||
117                                 space.to_string() == "\n"
118                                 ||
119                                 space.to_string() == ")"
120                                 ||
121                                 space.to_string() == "("
122                                 
123                         );
124                 }
125         }
126
127
128