git.roojs.org Git - app.Builder.js/blob - 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 = null; // not ready until the UI is built.
  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                         filtered_proposals.sort((a, b) => {
  69                                 return ((string)(a.text)).collate((string)(b.text));
  70                         });
  71
  72                         context.add_proposals (this, filtered_proposals, true);
  73                 }
  74
  75
  76
  77                 public bool activate_proposal (SourceCompletionProposal proposal, TextIter iter)
  78                 {
  79                         var istart = iter;
  80                         istart.backward_find_char(is_space, null);
  81                         istart.forward_char();
  82
  83                 //    var search = iter.get_text(istart);
  84
  85                         var buffer = iter.get_buffer();
  86                         buffer.delete(ref istart, ref iter);
  87                         buffer.insert(ref istart, proposal.get_text(), -1);
  88
  89                         return true;
  90                 }
  91
  92                 public SourceCompletionActivation get_activation ()
  93                 {
  94                         //if(SettingsManager.Get_Setting("complete_auto") == "true"){
  95                                 return SourceCompletionActivation.INTERACTIVE | SourceCompletionActivation.USER_REQUESTED;
  96                         //} else {
  97                         //      return Gtk.SourceCompletionActivation.USER_REQUESTED;
  98                         //}
  99                 }
 100
 101                 public int get_interactive_delay ()
 102                 {
 103                         return -1;
 104                 }
 105
 106                 public bool get_start_iter (SourceCompletionContext context, SourceCompletionProposal proposal, out TextIter iter)
 107                 {
 108                         return false;
 109                 }
 110
 111                 public void update_info (SourceCompletionProposal proposal, SourceCompletionInfo info)
 112                 {
 113
 114                 }
 115
 116                 private bool is_space(unichar space){
 117                         return space.isspace() || space.to_string() == "";
 118                 }
 119
 120                 private bool is_forward_space(unichar space){
 121                         return !(
 122                                 space.to_string() == " "
 123                                 ||
 124                                 space.to_string() == ""
 125                                 ||
 126                                 space.to_string() == "\n"
 127                                 ||
 128                                 space.to_string() == ")"
 129                                 ||
 130                                 space.to_string() == "("
 131
 132                         );
 133                 }
 134         }
 135
 136
 137 }