five-bells-visualization
Version:
Tool to visualize Five Bells payments
287 lines (248 loc) • 7.16 kB
JavaScript
/**
* dat-gui JavaScript Controller Library
* http://code.google.com/p/dat-gui
*
* Copyright 2011 Data Arts Team, Google Creative Lab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
define([
'dat/utils/common'
], function(common) {
var EVENT_MAP = {
'HTMLEvents': ['change'],
'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],
'KeyboardEvents': ['keydown']
};
var EVENT_MAP_INV = {};
common.each(EVENT_MAP, function(v, k) {
common.each(v, function(e) {
EVENT_MAP_INV[e] = k;
});
});
var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/;
function cssValueToPixels(val) {
if (val === '0' || common.isUndefined(val)) return 0;
var match = val.match(CSS_VALUE_PIXELS);
if (!common.isNull(match)) {
return parseFloat(match[1]);
}
// TODO ...ems? %?
return 0;
}
/**
* @namespace
* @member dat.dom
*/
var dom = {
/**
*
* @param elem
* @param selectable
*/
makeSelectable: function(elem, selectable) {
if (elem === undefined || elem.style === undefined) return;
elem.onselectstart = selectable ? function() {
return false;
} : function() {
};
elem.style.MozUserSelect = selectable ? 'auto' : 'none';
elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';
elem.unselectable = selectable ? 'on' : 'off';
},
/**
*
* @param elem
* @param horizontal
* @param vertical
*/
makeFullscreen: function(elem, horizontal, vertical) {
if (common.isUndefined(horizontal)) horizontal = true;
if (common.isUndefined(vertical)) vertical = true;
elem.style.position = 'absolute';
if (horizontal) {
elem.style.left = 0;
elem.style.right = 0;
}
if (vertical) {
elem.style.top = 0;
elem.style.bottom = 0;
}
},
/**
*
* @param elem
* @param eventType
* @param params
*/
fakeEvent: function(elem, eventType, params, aux) {
params = params || {};
var className = EVENT_MAP_INV[eventType];
if (!className) {
throw new Error('Event type ' + eventType + ' not supported.');
}
var evt = document.createEvent(className);
switch (className) {
case 'MouseEvents':
var clientX = params.x || params.clientX || 0;
var clientY = params.y || params.clientY || 0;
evt.initMouseEvent(eventType, params.bubbles || false,
params.cancelable || true, window, params.clickCount || 1,
0, //screen X
0, //screen Y
clientX, //client X
clientY, //client Y
false, false, false, false, 0, null);
break;
case 'KeyboardEvents':
var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz
common.defaults(params, {
cancelable: true,
ctrlKey: false,
altKey: false,
shiftKey: false,
metaKey: false,
keyCode: undefined,
charCode: undefined
});
init(eventType, params.bubbles || false,
params.cancelable, window,
params.ctrlKey, params.altKey,
params.shiftKey, params.metaKey,
params.keyCode, params.charCode);
break;
default:
evt.initEvent(eventType, params.bubbles || false,
params.cancelable || true);
break;
}
common.defaults(evt, aux);
elem.dispatchEvent(evt);
},
/**
*
* @param elem
* @param event
* @param func
* @param bool
*/
bind: function(elem, event, func, bool) {
bool = bool || false;
if (elem.addEventListener)
elem.addEventListener(event, func, bool);
else if (elem.attachEvent)
elem.attachEvent('on' + event, func);
return dom;
},
/**
*
* @param elem
* @param event
* @param func
* @param bool
*/
unbind: function(elem, event, func, bool) {
bool = bool || false;
if (elem.removeEventListener)
elem.removeEventListener(event, func, bool);
else if (elem.detachEvent)
elem.detachEvent('on' + event, func);
return dom;
},
/**
*
* @param elem
* @param className
*/
addClass: function(elem, className) {
if (elem.className === undefined) {
elem.className = className;
} else if (elem.className !== className) {
var classes = elem.className.split(/ +/);
if (classes.indexOf(className) == -1) {
classes.push(className);
elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, '');
}
}
return dom;
},
/**
*
* @param elem
* @param className
*/
removeClass: function(elem, className) {
if (className) {
if (elem.className === undefined) {
// elem.className = className;
} else if (elem.className === className) {
elem.removeAttribute('class');
} else {
var classes = elem.className.split(/ +/);
var index = classes.indexOf(className);
if (index != -1) {
classes.splice(index, 1);
elem.className = classes.join(' ');
}
}
} else {
elem.className = undefined;
}
return dom;
},
hasClass: function(elem, className) {
return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false;
},
/**
*
* @param elem
*/
getWidth: function(elem) {
var style = getComputedStyle(elem);
return cssValueToPixels(style['border-left-width']) +
cssValueToPixels(style['border-right-width']) +
cssValueToPixels(style['padding-left']) +
cssValueToPixels(style['padding-right']) +
cssValueToPixels(style['width']);
},
/**
*
* @param elem
*/
getHeight: function(elem) {
var style = getComputedStyle(elem);
return cssValueToPixels(style['border-top-width']) +
cssValueToPixels(style['border-bottom-width']) +
cssValueToPixels(style['padding-top']) +
cssValueToPixels(style['padding-bottom']) +
cssValueToPixels(style['height']);
},
/**
*
* @param elem
*/
getOffset: function(elem) {
var offset = {left: 0, top:0};
if (elem.offsetParent) {
do {
offset.left += elem.offsetLeft;
offset.top += elem.offsetTop;
} while (elem = elem.offsetParent);
}
return offset;
},
// http://stackoverflow.com/posts/2684561/revisions
/**
*
* @param elem
*/
isActive: function(elem) {
return elem === document.activeElement && ( elem.type || elem.href );
}
};
return dom;
});