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update lowpro and selector according to last commit

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Reinier Balt 2008-07-23 23:42:39 +02:00
parent 291a364b0d
commit a18fab8bf4
3 changed files with 323 additions and 323 deletions
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162
public/javascripts/lowpro.js
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@ -222,86 +222,86 @@ Behavior = {
};
// Original code by Sylvian Zimmer
// http://www.sylvainzimmer.com/index.php/archives/2006/06/25/speeding-up-prototypes-selector/
// Optimises execution speed of the $$ function. Rewritten for readability by Justin Palmer.
//
// Turn off optimisation with LowPro.optimize$$ = false;
LowPro.SelectorLite = Class.create();
LowPro.SelectorLite.prototype = {
initialize: function(selectors) {
this.results = [];
this.selectors = [];
this.index = 0;
for(var i = selectors.length -1; i >= 0; i--) {
var params = { tag: '*', id: null, classes: [] };
var selector = selectors[i];
var needle = selector.length - 1;
do {
var id = selector.lastIndexOf("#");
var klass = selector.lastIndexOf(".");
var cursor = Math.max(id, klass);
if(cursor == -1) params.tag = selector.toUpperCase();
else if(id == -1 || klass == cursor) params.classes.push(selector.substring(klass + 1))
else if(!params.id) params.id = selector.substring(id + 1);
selector = selector.substring(0, cursor);
} while(cursor > 0);
this.selectors[i] = params;
}
},
get: function(root) {
this.findElements(root || document, this.index == (this.selectors.length - 1));
return this.results;
},
findElements: function(parent, descendant) {
var selector = this.selectors[this.index], results = [], element;
if(selector.id) {
element = $(selector.id);
if(element && (selector.tag == '*' || element.tagName == selector.tag) &&
(element.childOf(parent))) {
results = [element];
}
} else {
results = $A(parent.getElementsByTagName(selector.tag));
}
if(selector.classes.length == 1) {
results = results.select(function(target) {
return $(target).hasClassName(selector.classes[0]);
});
} else if(selector.classes.length > 1) {
results = results.select(function(target) {
var klasses = $(target).classNames();
return selector.classes.all(function(klass) {
return klasses.include(klass);
});
});
}
if(descendant) {
this.results = this.results.concat(results);
} else {
++this.index;
results.each(function(target) {
this.findElements(target, this.index == (this.selectors.length - 1));
}.bind(this));
}
}
}
LowPro.$$old=$$;
LowPro.optimize$$ = true;
function $$(a,b) {
if (LowPro.optimize$$ == false || b || a.indexOf("[")>=0)
return LowPro.$$old.apply(this, arguments);
return new LowPro.SelectorLite(a.split(/\s+/)).get();
// Original code by Sylvian Zimmer
// http://www.sylvainzimmer.com/index.php/archives/2006/06/25/speeding-up-prototypes-selector/
// Optimises execution speed of the $$ function. Rewritten for readability by Justin Palmer.
//
// Turn off optimisation with LowPro.optimize$$ = false;
LowPro.SelectorLite = Class.create();
LowPro.SelectorLite.prototype = {
initialize: function(selectors) {
this.results = [];
this.selectors = [];
this.index = 0;
for(var i = selectors.length -1; i >= 0; i--) {
var params = { tag: '*', id: null, classes: [] };
var selector = selectors[i];
var needle = selector.length - 1;
do {
var id = selector.lastIndexOf("#");
var klass = selector.lastIndexOf(".");
var cursor = Math.max(id, klass);
if(cursor == -1) params.tag = selector.toUpperCase();
else if(id == -1 || klass == cursor) params.classes.push(selector.substring(klass + 1))
else if(!params.id) params.id = selector.substring(id + 1);
selector = selector.substring(0, cursor);
} while(cursor > 0);
this.selectors[i] = params;
}
},
get: function(root) {
this.findElements(root || document, this.index == (this.selectors.length - 1));
return this.results;
},
findElements: function(parent, descendant) {
var selector = this.selectors[this.index], results = [], element;
if(selector.id) {
element = $(selector.id);
if(element && (selector.tag == '*' || element.tagName == selector.tag) &&
(element.childOf(parent))) {
results = [element];
}
} else {
results = $A(parent.getElementsByTagName(selector.tag));
}
if(selector.classes.length == 1) {
results = results.select(function(target) {
return $(target).hasClassName(selector.classes[0]);
});
} else if(selector.classes.length > 1) {
results = results.select(function(target) {
var klasses = $(target).classNames();
return selector.classes.all(function(klass) {
return klasses.include(klass);
});
});
}
if(descendant) {
this.results = this.results.concat(results);
} else {
++this.index;
results.each(function(target) {
this.findElements(target, this.index == (this.selectors.length - 1));
}.bind(this));
}
}
}
LowPro.$$old=$$;
LowPro.optimize$$ = true;
function $$(a,b) {
if (LowPro.optimize$$ == false || b || a.indexOf("[")>=0)
return LowPro.$$old.apply(this, arguments);
return new LowPro.SelectorLite(a.split(/\s+/)).get();
}