|
|
// function completer.
|
|
|
//
|
|
|
// completer should be a class that take an cell instance
|
|
|
|
|
|
var IPython = (function(IPython ) {
|
|
|
// that will prevent us from misspelling
|
|
|
"use strict";
|
|
|
|
|
|
// easyier key mapping
|
|
|
var key = IPython.utils.keycodes;
|
|
|
|
|
|
// what is the common start of all completions
|
|
|
function sharedStart(B){
|
|
|
if(B.length == 1){return B[0]}
|
|
|
var A = new Array()
|
|
|
for(var i=0; i< B.length; i++)
|
|
|
{
|
|
|
A.push(B[i].str);
|
|
|
}
|
|
|
if(A.length > 1 ){
|
|
|
var tem1, tem2, s, A = A.slice(0).sort();
|
|
|
tem1 = A[0];
|
|
|
s = tem1.length;
|
|
|
tem2 = A.pop();
|
|
|
while(s && tem2.indexOf(tem1) == -1){
|
|
|
tem1 = tem1.substring(0, --s);
|
|
|
}
|
|
|
if (tem1 == "" || tem2.indexOf(tem1) != 0){return null;}
|
|
|
return { str : tem1,
|
|
|
type : "computed",
|
|
|
from : B[0].from,
|
|
|
to : B[0].to
|
|
|
};
|
|
|
}
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
|
|
|
var Completer = function(cell) {
|
|
|
this.editor = cell.code_mirror;
|
|
|
// if last caractere before cursor is not in this, we stop completing
|
|
|
this.reg = /[0-9a-z.]/i; // casse insensitive
|
|
|
}
|
|
|
|
|
|
Completer.prototype.kernelCompletionRequest = function(){
|
|
|
var cur = this.editor.getCursor();
|
|
|
var line = this.editor.getLine(cur.line);
|
|
|
// one could fork here and directly call finish completing if kernel is busy
|
|
|
var callbacks = {'complete_reply': $.proxy(this.finish_completing,this)};
|
|
|
IPython.notebook.kernel.complete(line, cur.ch, callbacks);
|
|
|
}
|
|
|
|
|
|
|
|
|
Completer.prototype.startCompletion = function()
|
|
|
{
|
|
|
// call for a 'first' completion, that will set the editor and do some
|
|
|
// special behaviour like autopicking if only one completion availlable
|
|
|
//
|
|
|
if (this.editor.somethingSelected()) return;
|
|
|
this.done = false;
|
|
|
// use to get focus back on opera
|
|
|
this.carryOnCompletion(true);
|
|
|
}
|
|
|
|
|
|
Completer.prototype.carryOnCompletion = function(ff) {
|
|
|
// Pass true as parameter if you want the commpleter to autopick when
|
|
|
// only one completion. This function is automatically reinvoked at
|
|
|
// each keystroke with ff = false
|
|
|
|
|
|
var cur = this.editor.getCursor();
|
|
|
var pre_cursor = this.editor.getRange({line:cur.line,ch:cur.ch-1},cur);
|
|
|
|
|
|
// we need to check that we are still on a word boundary
|
|
|
// because while typing the completer is still reinvoking itself
|
|
|
if(!this.reg.test(pre_cursor)){ this.close(); return;}
|
|
|
|
|
|
this.autopick = false;
|
|
|
if( ff != 'undefined' && ff==true)
|
|
|
{ this.autopick=true; }
|
|
|
|
|
|
// We want a single cursor position.
|
|
|
if (this.editor.somethingSelected()) return;
|
|
|
|
|
|
//one kernel completion came back, finish_completing will be called with the results
|
|
|
this.kernelCompletionRequest();
|
|
|
}
|
|
|
|
|
|
Completer.prototype.finish_completing =function (content) {
|
|
|
// let's build a function that wrap all that stuff into what is needed
|
|
|
// for the new completer:
|
|
|
var matched_text = content.matched_text;
|
|
|
var matches = content.matches;
|
|
|
|
|
|
var cur = this.editor.getCursor();
|
|
|
var results = CodeMirror.contextHint(this.editor);
|
|
|
|
|
|
// append the introspection result, in order, at at the beginning of
|
|
|
// the table and compute the replacement range from current cursor
|
|
|
// positon and matched_text length.
|
|
|
for(var i= matches.length-1; i>=0 ;--i)
|
|
|
{
|
|
|
results.unshift(
|
|
|
{ str : matches[i],
|
|
|
type : "introspection",
|
|
|
from : {line: cur.line, ch: cur.ch-matched_text.length},
|
|
|
to : {line: cur.line, ch: cur.ch}
|
|
|
})
|
|
|
}
|
|
|
|
|
|
// one the 2 sources results have been merge, deal with it
|
|
|
this.raw_result = results;
|
|
|
|
|
|
// if empty result return
|
|
|
if (!this.raw_result || !this.raw_result.length) return;
|
|
|
|
|
|
// When there is only one completion, use it directly.
|
|
|
if (this.autopick == true && this.raw_result.length == 1)
|
|
|
{
|
|
|
this.insert(this.raw_result[0]);
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
if (this.raw_result.length == 1)
|
|
|
{
|
|
|
// test if first and only completion totally matches
|
|
|
// what is typed, in this case dismiss
|
|
|
var str = this.raw_result[0].str
|
|
|
var cur = this.editor.getCursor();
|
|
|
var pre_cursor = this.editor.getRange({line:cur.line,ch:cur.ch-str.length},cur);
|
|
|
if(pre_cursor == str)
|
|
|
{ this.close(); return ; }
|
|
|
}
|
|
|
|
|
|
this.complete = $('<div/>').addClass('completions');
|
|
|
this.complete.attr('id','complete');
|
|
|
|
|
|
this.sel = $('<select/>')
|
|
|
.attr('multiple','true')
|
|
|
.attr('size',Math.min(10,this.raw_result.length));
|
|
|
var pos = this.editor.cursorCoords();
|
|
|
|
|
|
// TODO: I propose to remove enough horizontal pixel
|
|
|
// to align the text later
|
|
|
this.complete.css('left',pos.x+'px');
|
|
|
this.complete.css('top',pos.yBot+'px');
|
|
|
this.complete.append(this.sel);
|
|
|
|
|
|
$('body').append(this.complete);
|
|
|
//build the container
|
|
|
var that = this;
|
|
|
this.sel.dblclick(function(){that.pick()});
|
|
|
this.sel.blur(this.close);
|
|
|
this.sel.keydown(function(event){that.keydown(event)});
|
|
|
|
|
|
this.build_gui_list(this.raw_result);
|
|
|
|
|
|
this.sel.focus();
|
|
|
// Opera sometimes ignores focusing a freshly created node
|
|
|
if (window.opera) setTimeout(function(){if (!this.done) this.sel.focus();}, 100);
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
Completer.prototype.insert = function(completion) {
|
|
|
this.editor.replaceRange(completion.str, completion.from, completion.to);
|
|
|
}
|
|
|
|
|
|
Completer.prototype.build_gui_list = function(completions){
|
|
|
// Need to clear the all list
|
|
|
for (var i = 0; i < completions.length; ++i) {
|
|
|
var opt = $('<option/>')
|
|
|
.text(completions[i].str)
|
|
|
.addClass(completions[i].type);
|
|
|
this.sel.append(opt);
|
|
|
}
|
|
|
this.sel.children().first().attr('selected','true');
|
|
|
}
|
|
|
|
|
|
Completer.prototype.close = function() {
|
|
|
if (this.done) return;
|
|
|
this.done = true;
|
|
|
$('.completions').remove();
|
|
|
}
|
|
|
|
|
|
Completer.prototype.pick = function(){
|
|
|
this.insert(this.raw_result[this.sel[0].selectedIndex]);
|
|
|
this.close();
|
|
|
var that = this;
|
|
|
setTimeout(function(){that.editor.focus();}, 50);
|
|
|
}
|
|
|
|
|
|
|
|
|
Completer.prototype.keydown = function(event) {
|
|
|
var code = event.keyCode;
|
|
|
// Enter
|
|
|
if (code == key.enter) {CodeMirror.e_stop(event); this.pick();}
|
|
|
// Escape or backspace
|
|
|
else if (code == key.esc ) {CodeMirror.e_stop(event); this.close(); this.editor.focus();}
|
|
|
else if (code == key.space || code == key.backspace) {this.close(); this.editor.focus();}
|
|
|
else if (code == key.tab){
|
|
|
//all the fastforwarding operation,
|
|
|
//Check that shared start is not null which can append with prefixed completion
|
|
|
// like %pylab , pylab have no shred start, and ff will result in py<tab><tab>
|
|
|
// to erase py
|
|
|
var sh = sharedStart(this.raw_result);
|
|
|
if(sh){
|
|
|
this.insert(sh);
|
|
|
}
|
|
|
this.close();
|
|
|
CodeMirror.e_stop(event);
|
|
|
this.editor.focus();
|
|
|
//reinvoke self
|
|
|
var that = this;
|
|
|
setTimeout(function(){that.carryOnCompletion();}, 50);
|
|
|
}
|
|
|
else if (code == key.upArrow || code == key.downArrow) {
|
|
|
// need to do that to be able to move the arrow
|
|
|
// when on the first or last line ofo a code cell
|
|
|
event.stopPropagation();
|
|
|
}
|
|
|
else if (code != key.upArrow && code != key.downArrow) {
|
|
|
this.close(); this.editor.focus();
|
|
|
//we give focus to the editor immediately and call sell in 50 ms
|
|
|
var that = this;
|
|
|
setTimeout(function(){that.carryOnCompletion();}, 50);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
IPython.Completer = Completer;
|
|
|
|
|
|
return IPython;
|
|
|
}(IPython));
|
|
|
|
