forked from pablof7z/chardin.js
/
chardinjs.js
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/
chardinjs.js
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// Generated by CoffeeScript 1.6.2
(function() {
var __slice = [].slice;
(function($, window) {
var chardinJs;
chardinJs = (function() {
function chardinJs(el) {
var _this = this;
this.$el = $(el);
$(window).resize(function() {
return _this.refresh();
});
}
chardinJs.prototype.start = function() {
var el, _i, _len, _ref;
if (this._overlay_visible()) {
return false;
}
this._add_overlay_layer();
_ref = this.$el.find('*[data-intro]');
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
el = _ref[_i];
this._show_element(el);
}
return this.$el.trigger('chardinJs:start');
};
chardinJs.prototype.toggle = function() {
if (!this._overlay_visible()) {
return this.start();
} else {
return this.stop();
}
};
chardinJs.prototype.refresh = function() {
var el, _i, _len, _ref, _results;
if (this._overlay_visible()) {
_ref = this.$el.find('*[data-intro]');
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
el = _ref[_i];
_results.push(this._position_helper_layer(el));
}
return _results;
} else {
return this;
}
};
chardinJs.prototype.stop = function() {
this.$el.find(".chardinjs-overlay").fadeOut(function() {
return $(this).remove();
});
this.$el.find('.chardinjs-helper-layer').remove();
this.$el.find('.chardinjs-show-element').removeClass('chardinjs-show-element');
this.$el.find('.chardinjs-relative-position').removeClass('chardinjs-relative-position');
if (window.removeEventListener) {
window.removeEventListener("keydown", this._onKeyDown, true);
} else {
if (document.detachEvent) {
document.detachEvent("onkeydown", this._onKeyDown);
}
}
return this.$el.trigger('chardinJs:stop');
};
chardinJs.prototype._overlay_visible = function() {
return this.$el.find('.chardinjs-overlay').length !== 0;
};
chardinJs.prototype._add_overlay_layer = function() {
var element_position, overlay_layer, styleText,
_this = this;
if (this._overlay_visible()) {
return false;
}
overlay_layer = document.createElement("div");
styleText = "";
overlay_layer.className = "chardinjs-overlay";
if (this.$el.prop('tagName') === "BODY") {
styleText += "top: 0;bottom: 0; left: 0;right: 0;position: fixed;";
overlay_layer.setAttribute("style", styleText);
} else {
element_position = this._get_offset(this.$el.get()[0]);
if (element_position) {
styleText += "width: " + element_position.width + "px; height:" + element_position.height + "px; top:" + element_position.top + "px;left: " + element_position.left + "px;";
overlay_layer.setAttribute("style", styleText);
}
}
this.$el.get()[0].appendChild(overlay_layer);
overlay_layer.onclick = function() {
return _this.stop();
};
return setTimeout(function() {
styleText += "opacity: .8;";
return overlay_layer.setAttribute("style", styleText);
}, 10);
};
chardinJs.prototype._get_position = function(element) {
return element.getAttribute('data-position') || 'bottom';
};
chardinJs.prototype._place_tooltip = function(element) {
var my_height, my_width, target_element_position, target_height, target_width, tooltip_layer, tooltip_layer_position;
tooltip_layer = $(element).data('tooltip_layer');
tooltip_layer_position = this._get_offset(tooltip_layer);
tooltip_layer.style.top = null;
tooltip_layer.style.right = null;
tooltip_layer.style.bottom = null;
tooltip_layer.style.left = null;
switch (this._get_position(element)) {
case "top":
case "bottom":
target_element_position = this._get_offset(element);
target_width = target_element_position.width;
my_width = $(tooltip_layer).width();
tooltip_layer.style.left = "" + ((target_width / 2) - (tooltip_layer_position.width / 2)) + "px";
break;
case "left":
case "right":
target_element_position = this._get_offset(element);
target_height = target_element_position.height;
my_height = $(tooltip_layer).height();
tooltip_layer.style.top = "" + ((target_height / 2) - (tooltip_layer_position.height / 2)) + "px";
}
switch (this._get_position(element)) {
case "left":
return tooltip_layer.style.left = "-" + (tooltip_layer_position.width - 34) + "px";
case "right":
return tooltip_layer.style.right = "-" + (tooltip_layer_position.width - 34) + "px";
case "bottom":
return tooltip_layer.style.bottom = "-" + tooltip_layer_position.height + "px";
case "top":
return tooltip_layer.style.top = "-" + tooltip_layer_position.height + "px";
}
};
chardinJs.prototype._position_helper_layer = function(element) {
var element_position, helper_layer;
helper_layer = $(element).data('helper_layer');
element_position = this._get_offset(element);
return helper_layer.setAttribute("style", "width: " + element_position.width + "px; height:" + element_position.height + "px; top:" + element_position.top + "px; left: " + element_position.left + "px;");
};
chardinJs.prototype._show_element = function(element) {
var current_element_position, element_position, helper_layer, tooltip_layer;
element_position = this._get_offset(element);
helper_layer = document.createElement("div");
tooltip_layer = document.createElement("div");
$(element).data('helper_layer', helper_layer).data('tooltip_layer', tooltip_layer);
if (element.id) {
helper_layer.setAttribute("data-id", element.id);
}
helper_layer.className = "chardinjs-helper-layer chardinjs-" + (this._get_position(element));
this._position_helper_layer(element);
this.$el.get()[0].appendChild(helper_layer);
tooltip_layer.className = "chardinjs-tooltip chardinjs-" + (this._get_position(element));
tooltip_layer.innerHTML = "<div class='chardinjs-tooltiptext'>" + (element.getAttribute('data-intro')) + "</div>";
helper_layer.appendChild(tooltip_layer);
this._place_tooltip(element);
element.className += " chardinjs-show-element";
current_element_position = "";
if (element.currentStyle) {
current_element_position = element.currentStyle["position"];
} else {
if (document.defaultView && document.defaultView.getComputedStyle) {
current_element_position = document.defaultView.getComputedStyle(element, null).getPropertyValue("position");
}
}
current_element_position = current_element_position.toLowerCase();
if (current_element_position !== "absolute" && current_element_position !== "relative") {
return element.className += " chardinjs-relative-position";
}
};
chardinJs.prototype._get_offset = function(element) {
var element_position, _x, _y;
element_position = {
width: element.offsetWidth,
height: element.offsetHeight
};
_x = 0;
_y = 0;
while (element && !isNaN(element.offsetLeft) && !isNaN(element.offsetTop)) {
_x += element.offsetLeft;
_y += element.offsetTop;
element = element.offsetParent;
}
element_position.top = _y;
element_position.left = _x;
return element_position;
};
return chardinJs;
})();
return $.fn.extend({
chardinJs: function() {
var $this, args, data, option;
option = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
$this = $(this[0]);
data = $this.data('chardinJs');
if (!data) {
$this.data('chardinJs', (data = new chardinJs(this, option)));
}
if (typeof option === 'string') {
data[option].apply(data, args);
}
return data;
}
});
})(window.jQuery, window);
}).call(this);