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be smarter for context completion

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Completion source based on context is smarter and use codemirror token
mecanisme to propose completions, instead of just plitting text at
whitespace and before dots.
This commit is contained in:
Matthias BUSSONNIER 2012-02-25 15:40:56 +01:00 committed by Brian Granger
parent 23ef964f06
commit e4784b984b
1 changed files with 24 additions and 13 deletions
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37
IPython/frontend/html/notebook/static/js/context-hint.js
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@ -36,29 +36,40 @@
}
// find all 'words' of current cell
function getAllTokens(editor)
var getAllTokens = function(editor)
{
var found = [];
// get all text remove and split it before dot and at space
// keep the dot for completing token that also start with dot
var candidates = editor.getValue()
.replace(/[.]/g," .")
.replace(/[ ]/g,"\n")
.split('\n');
// append to arry if not already (the function)
// add to found if not already in it
function maybeAdd(str) {
if (!arrayContains(found, str)) found.push(str);
}
// append to arry if not already
// (here we do it )
for( var c in candidates )
// loop through all token on all lines
var lineCount = editor.lineCount();
// loop on line
for( var l=0; l< lineCount ; l++)
{
if(candidates[c].length >= 1){
maybeAdd(candidates[c]);}
var line = editor.getLine(l);
//loop on char
for( var c = 1 ; c < line.length ; c++)
{
var tk = editor.getTokenAt({line:l,ch:c});
// if token has a class, it has geat chances of beeing
// of interest. Add it to the list of possible completions.
// we could skip token of ClassName 'comment'
// or 'number' and 'operator'
if(tk.className != null){
maybeAdd(tk.string);
}
// jump to char after end of current token
c = tk.end;
}
}
return found;
}
function getCompletions(token,editor)
{
var candidates = getAllTokens(editor);