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easyTree.js
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/**
* Easy Tree 简易的jquery树插件，将一个无序列表转化成树
* 支持单选、新增、编辑、删除
* @Copyright yuez.me 2014
* @Author yuez
* @Version 0.1
*/
(function ($) {
$.fn.EasyTree = function (options) {
var defaults = {
selectable: true,
deletable: false,
editable: false,
addable: false,
i18n: {
deleteNull: '请选择要删除的项。',
deleteConfirmation: '您确认要执行删除操作吗？',
confirmButtonLabel: '确认',
editNull: '请选择要编辑的项。',
editMultiple: '一次只能编辑一项',
addMultiple: '请选择一项添加',
collapseTip: '收起分支',
expandTip: '展开分支',
selectTip: '选择',
unselectTip: '取消选择',
editTip: '编辑',
addTip: '添加',
deleteTip: '删除',
cancelButtonLabel: '取消'
}
};
var warningAlert = $('<div class="alert alert-warning alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button><strong></strong><span class="alert-content"></span> </div> ');
var dangerAlert = $('<div class="alert alert-danger alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button><strong></strong><span class="alert-content"></span> </div> ');
var createInput = $('<div class="input-group"><input type="text" class="form-control"><span class="input-group-btn"><button type="button" class="btn btn-default btn-success confirm"></button> </span><span class="input-group-btn"><button type="button" class="btn btn-default cancel"></button> </span> </div> ');
options = $.extend(defaults, options);
this.each(function () {
var easyTree = $(this);
$.each($(easyTree).find('ul > li'), function() {
var text;
if($(this).is('li:has(ul)')) {
var children = $(this).find(' > ul');
$(children).remove();
text = $(this).text();
$(this).html('<span><span class="glyphicon"></span><a href="javascript: void(0);"></a> </span>');
$(this).find(' > span > span').addClass('glyphicon-folder-open');
$(this).find(' > span > a').text(text);
$(this).append(children);
}
else {
text = $(this).text();
$(this).html('<span><span class="glyphicon"></span><a href="javascript: void(0);"></a> </span>');
$(this).find(' > span > span').addClass('glyphicon-file');
$(this).find(' > span > a').text(text);
}
});
$(easyTree).find('li:has(ul)').addClass('parent_li').find(' > span').attr('title', options.i18n.collapseTip);
// add easy tree toolbar dom
if (options.deletable || options.editable || options.addable) {
$(easyTree).prepend('<div class="easy-tree-toolbar"></div> ');
}
// addable
if (options.addable) {
$(easyTree).find('.easy-tree-toolbar').append('<div class="create"><button class="btn btn-default btn-sm btn-success"><span class="glyphicon glyphicon-plus"></span></button></div> ');
$(easyTree).find('.easy-tree-toolbar .create > button').attr('title', options.i18n.addTip).click(function () {
var createBlock = $(easyTree).find('.easy-tree-toolbar .create');
$(createBlock).append(createInput);
$(createInput).find('input').focus();
$(createInput).find('.confirm').text(options.i18n.confirmButtonLabel);
$(createInput).find('.confirm').click(function () {
if ($(createInput).find('input').val() === '')
return;
var selected = getSelectedItems();
var item = $('<li><span><span class="glyphicon glyphicon-file"></span><a href="javascript: void(0);">' + $(createInput).find('input').val() + '</a> </span></li>');
$(item).find(' > span > span').attr('title', options.i18n.collapseTip);
$(item).find(' > span > a').attr('title', options.i18n.selectTip);
if (selected.length <= 0) {
$(easyTree).find(' > ul').append($(item));
} else if (selected.length > 1) {
$(easyTree).prepend(warningAlert);
$(easyTree).find('.alert .alert-content').text(options.i18n.addMultiple);
} else {
if ($(selected).hasClass('parent_li')) {
$(selected).find(' > ul').append(item);
} else {
$(selected).addClass('parent_li').find(' > span > span').addClass('glyphicon-folder-open').removeClass('glyphicon-file');
$(selected).append($('<ul></ul>')).find(' > ul').append(item);
}
}
$(createInput).find('input').val('');
if (options.selectable) {
$(item).find(' > span > a').attr('title', options.i18n.selectTip);
$(item).find(' > span > a').click(function (e) {
var li = $(this).parent().parent();
if (li.hasClass('li_selected')) {
$(this).attr('title', options.i18n.selectTip);
$(li).removeClass('li_selected');
}
else {
$(easyTree).find('li.li_selected').removeClass('li_selected');
$(this).attr('title', options.i18n.unselectTip);
$(li).addClass('li_selected');
}
if (options.deletable || options.editable || options.addable) {
var selected = getSelectedItems();
if (options.editable) {
if (selected.length <= 0 || selected.length > 1)
$(easyTree).find('.easy-tree-toolbar .edit > button').addClass('disabled');
else
$(easyTree).find('.easy-tree-toolbar .edit > button').removeClass('disabled');
}
if (options.deletable) {
if (selected.length <= 0 || selected.length > 1)
$(easyTree).find('.easy-tree-toolbar .remove > button').addClass('disabled');
else
$(easyTree).find('.easy-tree-toolbar .remove > button').removeClass('disabled');
}
}
e.stopPropagation();
});
}
$(createInput).remove();
});
$(createInput).find('.cancel').text(options.i18n.cancelButtonLabel);
$(createInput).find('.cancel').click(function () {
$(createInput).remove();
});
});
}
// editable
if (options.editable) {
$(easyTree).find('.easy-tree-toolbar').append('<div class="edit"><button class="btn btn-default btn-sm btn-primary disabled"><span class="glyphicon glyphicon-edit"></span></button></div> ');
$(easyTree).find('.easy-tree-toolbar .edit > button').attr('title', options.i18n.editTip).click(function () {
$(easyTree).find('input.easy-tree-editor').remove();
$(easyTree).find('li > span > a:hidden').show();
var selected = getSelectedItems();
if (selected.length <= 0) {
$(easyTree).prepend(warningAlert);
$(easyTree).find('.alert .alert-content').html(options.i18n.editNull);
}
else if (selected.length > 1) {
$(easyTree).prepend(warningAlert);
$(easyTree).find('.alert .alert-content').html(options.i18n.editMultiple);
}
else {
var value = $(selected).find(' > span > a').text();
$(selected).find(' > span > a').hide();
$(selected).find(' > span').append('<input type="text" class="easy-tree-editor">');
var editor = $(selected).find(' > span > input.easy-tree-editor');
$(editor).val(value);
$(editor).focus();
$(editor).keydown(function (e) {
if (e.which == 13) {
if ($(editor).val() !== '') {
$(selected).find(' > span > a').text($(editor).val());
$(editor).remove();
$(selected).find(' > span > a').show();
}
}
});
}
});
}
// deletable
if (options.deletable) {
$(easyTree).find('.easy-tree-toolbar').append('<div class="remove"><button class="btn btn-default btn-sm btn-danger disabled"><span class="glyphicon glyphicon-remove"></span></button></div> ');
$(easyTree).find('.easy-tree-toolbar .remove > button').attr('title', options.i18n.deleteTip).click(function () {
var selected = getSelectedItems();
if (selected.length <= 0) {
$(easyTree).prepend(warningAlert);
$(easyTree).find('.alert .alert-content').html(options.i18n.deleteNull);
} else {
$(easyTree).prepend(dangerAlert);
$(easyTree).find('.alert .alert-content').html(options.i18n.deleteConfirmation)
.append('<a style="margin-left: 10px;" class="btn btn-default btn-danger confirm"></a>')
.find('.confirm').html(options.i18n.confirmButtonLabel);
$(easyTree).find('.alert .alert-content .confirm').on('click', function () {
$(selected).find(' ul ').remove();
if($(selected).parent('ul').find(' > li').length <= 1) {
$(selected).parents('li').removeClass('parent_li').find(' > span > span').removeClass('glyphicon-folder-open').addClass('glyphicon-file');
$(selected).parent('ul').remove();
}
$(selected).remove();
$(dangerAlert).remove();
});
}
});
}
// collapse or expand
$(easyTree).delegate('li.parent_li > span', 'click', function (e) {
var children = $(this).parent('li.parent_li').find(' > ul > li');
if (children.is(':visible')) {
children.hide('fast');
$(this).attr('title', options.i18n.expandTip)
.find(' > span.glyphicon')
.addClass('glyphicon-folder-close')
.removeClass('glyphicon-folder-open');
} else {
children.show('fast');
$(this).attr('title', options.i18n.collapseTip)
.find(' > span.glyphicon')
.addClass('glyphicon-folder-open')
.removeClass('glyphicon-folder-close');
}
e.stopPropagation();
});
// selectable, only single select
if (options.selectable) {
$(easyTree).find('li > span > a').attr('title', options.i18n.selectTip);
$(easyTree).find('li > span > a').click(function (e) {
var li = $(this).parent().parent();
if (li.hasClass('li_selected')) {
$(this).attr('title', options.i18n.selectTip);
$(li).removeClass('li_selected');
}
else {
$(easyTree).find('li.li_selected').removeClass('li_selected');
$(this).attr('title', options.i18n.unselectTip);
$(li).addClass('li_selected');
}
if (options.deletable || options.editable || options.addable) {
var selected = getSelectedItems();
if (options.editable) {
if (selected.length <= 0 || selected.length > 1)
$(easyTree).find('.easy-tree-toolbar .edit > button').addClass('disabled');
else
$(easyTree).find('.easy-tree-toolbar .edit > button').removeClass('disabled');
}
if (options.deletable) {
if (selected.length <= 0 || selected.length > 1)
$(easyTree).find('.easy-tree-toolbar .remove > button').addClass('disabled');
else
$(easyTree).find('.easy-tree-toolbar .remove > button').removeClass('disabled');
}
}
e.stopPropagation();
});
}
// Get selected items
var getSelectedItems = function () {
return $(easyTree).find('li.li_selected');
};
});
};
})(jQuery);