cloudcmd/modules/menu/menu-io.js
2016-02-05 14:15:53 -05:00

434 lines
13 KiB
JavaScript

var MenuIO;
(function (window) {
'use strict';
MenuIO = function(element, options, menuData) {
if (!(this instanceof MenuIO)) {
return new MenuIO(element, options, menuData);
}
var ElementMenu,
Element,
Options = {},
ElementFuncs = new ElementFuncsProto(),
ElementHeight,
ElementWidth,
ElementEvent,
MenuFuncs = {},
TEMPLATE = {
MAIN: '<ul data-name="js-menu" class="menu menu-hidden">' +
'{{ items }}' +
'</ul>',
ITEM: '<li data-name="js-menu-item" class="menu-item{{ className }}"{{ attribute }}>' +
'<label data-menu-path="{{ path }}">{{ name }}</label>' +
'{{ subitems }}' +
'</li>'
};
if (menuData) {
Element =
ElementEvent = element;
Options = options;
} else if (options) {
Element =
ElementEvent = element;
menuData = options;
} else {
Element = document.body;
ElementEvent = window;
menuData = element;
}
function init() {
var name,
isObj = typeof menuData === 'object';
if (!isObj) {
name = menuData;
menuData = {};
menuData[name] = null;
}
ElementMenu = createMenu(menuData);
ElementEvent.addEventListener('click', onClick);
ElementEvent.addEventListener('contextmenu', onContextMenu);
}
function createMenu(menuData) {
var menu,
items = '',
buildItems = function(menuData, path) {
var DATA_MENU = 'data-menu="js-submenu"',
Data_KEY = 'data-key=',
items = '';
if (path)
path += '.';
else
path = '';
Object.keys(menuData).forEach(function(name) {
var nameIcon,
key = '',
subitems = '',
className = '',
attribute = '',
pathName = path + name,
data = menuData[name],
isObj = typeof data === 'object';
if (!isObj) {
MenuFuncs[pathName] = data;
} else {
subitems = rendy(TEMPLATE.MAIN, {
items: buildItems(data, pathName)
});
className = ' menu-submenu';
attribute = ' ' + DATA_MENU;
}
if (Options.icon) {
nameIcon = name
.replace(/\(|\)/g, '')
.replace(/\s/g, '-')
.toLowerCase();
className += ' icon icon-' + nameIcon;
}
if (Options.keys) {
key = Options.keys[name];
if (key)
attribute = ' ' + Data_KEY + key;
}
items += rendy(TEMPLATE.ITEM, {
name : name,
subitems : subitems,
className : className,
attribute : attribute,
path : pathName
});
});
return items;
};
items = buildItems(menuData);
menu = document.createElement('ul');
menu.setAttribute('data-name', 'js-menu');
menu.className = 'menu menu-hidden';
menu.innerHTML = items;
Element.appendChild(menu);
return menu;
}
this.show = showMenuElement;
this.hide = hideMenuElement;
function checkElement(target, position) {
var is,
element = ElementFuncs.getItem(target),
isName = ElementFuncs.isName(element),
isItem = ElementFuncs.isItem(element),
isSub = ElementFuncs.isSubMenu(element);
if (!isName || !isItem) {
element = document.elementFromPoint(position.x, position.y);
isSub = ElementFuncs.isSubMenu(element);
isName = ElementFuncs.isName(element);
isItem = ElementFuncs.isItem(element);
}
is = {
name : isName,
item : isItem,
sub : isSub,
};
return is;
}
function onClick(event, checkResult) {
var itemData, notClick,
afterClick = Options.afterClick,
beforeClick = Options.beforeClick,
name = Options.name,
element = event.target,
is = checkResult || checkElement(element, {
x: event.clientX,
y: event.clientY
});
notClick = exec(beforeClick, name);
if (is.sub) {
event.preventDefault();
} else {
hideMenuElement();
if (!notClick && (is.name || is.item)) {
itemData = getMenuItemData(element);
exec(itemData);
exec(afterClick);
}
}
}
function onContextMenu(event) {
var element = event.target,
x = event.clientX,
y = event.clientY,
is = checkElement(element, {
x: x,
y: y
});
if (is.name || is.item || is.sub)
onClick(event, is);
else {
hideMenuElement();
showMenuElement(x, y);
}
event.preventDefault();
}
function setMenuPosition(x, y) {
var isNumberX = typeof x === 'number',
isNumberY = typeof y === 'number',
heightMenu = getMenuHeight(),
widthMenu = getMenuWidth(),
heightInner = window.innerHeight,
widthInner = window.innerWidth;
if (widthInner < widthMenu + x) {
x -= widthMenu;
if (x < 0)
x = 0;
}
if (heightInner < heightMenu + y) {
y -= heightMenu;
if (y < 0)
y = 0;
}
if (isNumberX)
ElementMenu.style.left = x + 'px';
if (isNumberY)
ElementMenu.style.top = y - 14 + 'px';
}
function showMenuElement(x, y) {
var beforeShow = Options.beforeShow,
name = Options.name,
params = {
x : x,
y : y,
name : name
},
notShow = exec(beforeShow, params);
if (!notShow) {
ElementMenu.classList.remove('menu-hidden');
setMenuPosition(params.x, params.y);
}
}
function hideMenuElement() {
var notHide = exec(Options.beforeClose);
if (!notHide)
ElementMenu.classList.add('menu-hidden');
}
function getMenuItemData(element) {
var path, data;
element = ElementFuncs.getName(element);
if (element) {
path = element.getAttribute('data-menu-path');
}
data = MenuFuncs[path];
return data;
}
function getMenuHeight() {
var styleComputed, height;
if (!ElementHeight) {
styleComputed = getComputedStyle(ElementMenu);
height = styleComputed.height;
ElementHeight = parseInt(height, 10);
}
return ElementHeight;
}
function getMenuWidth() {
var styleComputed, width;
if (!ElementWidth) {
styleComputed = getComputedStyle(ElementMenu);
width = styleComputed.width;
ElementWidth = parseInt(width, 10);
}
return ElementWidth;
}
init();
};
function ElementFuncsProto() {
this.getItem = getItem;
this.getName = getName;
this.isName = isName;
this.isItem = isItem;
this.isMenu = isMenu;
this.isSubMenu = isSubMenu;
function getItem(element) {
var isNameElement;
if (element) {
isNameElement = isName(element);
if (isNameElement)
element = element.parentElement;
}
return element;
}
function getName(element) {
var is;
if (element) {
is = isName(element);
if (!is)
element = element.querySelector('[data-menu-path]');
}
return element;
}
function isName(element) {
var itIs;
if (element)
itIs = element.hasAttribute('data-menu-path');
return itIs;
}
function isItem(element) {
var itIs = checkElementsName(element, 'js-menu-item');
return itIs;
}
function isMenu(element) {
var itIs = checkElementsName(element, 'js-menu');
return itIs;
}
function checkElementsName(element, nameElement, attribute) {
var itIs, name;
if (!attribute)
attribute = 'data-name';
if (element) {
name = element.getAttribute(attribute);
if (name === nameElement)
itIs = true;
}
return itIs;
}
function isSubMenu(element) {
var itIs, item,
attribute = 'data-menu',
value = 'js-submenu';
item = getItem(element);
itIs = checkElementsName(item, value, attribute);
return itIs;
}
}
function exec(callback) {
var ret,
args = [].slice.call(arguments, 1);
if (typeof callback === 'function')
ret = callback.apply(null, args);
return ret;
}
/*
* rendy v1.1.0
* https://github.com/coderaiser/rendy
*/
/**
* render template with data
*
* @param templ
* @param data
*/
function rendy(templ, data) {
var result = templ;
check(templ, data);
Object
.keys(data)
.forEach(function(param) {
var name = '{{ ' + param + ' }}',
str = data[param];
while(~result.indexOf(name))
result = result.replace(name, str);
});
if (~result.indexOf('{{'))
result = result.replace(/{{.*?}}/g, '');
return result;
}
function check(templ, data) {
if (typeof templ !== 'string')
throw(Error('template should be string!'));
if (typeof data !== 'object')
throw(Error('data should be object!'));
}
})(window);