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315 lines
13 KiB
315 lines
13 KiB
/*!
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* JQuery Spliter Plugin version 0.24.0
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* Copyright (C) 2010-2016 Jakub Jankiewicz <http://jcubic.pl>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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(function($, undefined) {
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var count = 0;
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var splitter_id = null;
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var splitters = [];
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var current_splitter = null;
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$.fn.split = function(options) {
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var data = this.data('splitter');
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if (data) {
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return data;
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}
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var panel_1;
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var panel_2;
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var settings = $.extend({
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limit: 100,
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orientation: 'horizontal',
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position: '50%',
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invisible: false,
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onDragStart: $.noop,
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onDragEnd: $.noop,
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onDrag: $.noop
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}, options || {});
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this.settings = settings;
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var cls;
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var children = this.children();
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if (settings.orientation == 'vertical') {
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panel_1 = children.first().addClass('left_panel');
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panel_2 = panel_1.next().addClass('right_panel');
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cls = 'vsplitter';
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} else if (settings.orientation == 'horizontal') {
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panel_1 = children.first().addClass('top_panel');
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panel_2 = panel_1.next().addClass('bottom_panel');
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cls = 'hsplitter';
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}
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if (settings.invisible) {
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cls += ' splitter-invisible';
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}
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var width = this.width();
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var height = this.height();
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var id = count++;
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this.addClass('splitter_panel');
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var splitter = $('<div/>').addClass(cls).bind('mouseenter touchstart', function() {
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splitter_id = id;
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}).bind('mouseleave touchend', function() {
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splitter_id = null;
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}).insertAfter(panel_1);
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var position;
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function get_position(position) {
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if (typeof position === 'number') {
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return position;
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} else if (typeof position === 'string') {
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var match = position.match(/^([0-9\.]+)(px|%)$/);
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if (match) {
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if (match[2] == 'px') {
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return +match[1];
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} else {
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if (settings.orientation == 'vertical') {
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return (width * +match[1]) / 100;
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} else if (settings.orientation == 'horizontal') {
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return (height * +match[1]) / 100;
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}
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}
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} else {
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//throw position + ' is invalid value';
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}
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} else {
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//throw 'position have invalid type';
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}
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}
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var self = $.extend(this, {
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refresh: function() {
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var new_width = this.width();
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var new_height = this.height();
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if (width != new_width || height != new_height) {
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width = this.width();
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height = this.height();
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self.position(position);
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}
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},
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position: (function() {
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if (settings.orientation == 'vertical') {
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return function(n, silent) {
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if (n === undefined) {
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return position;
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} else {
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position = get_position(n);
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var sw = splitter.width();
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var sw2 = sw/2, pw;
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if (settings.invisible) {
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pw = panel_1.width(position).outerWidth();
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panel_2.width(self.width()-pw);
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splitter.css('left', pw-sw2);
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} else {
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pw = panel_1.width(position-sw2).outerWidth();
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panel_2.width(self.width()-pw-sw);
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splitter.css('left', pw);
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}
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panel_1.find('.splitter_panel').eq(0).height(self.height());
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panel_2.find('.splitter_panel').eq(0).height(self.height());
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}
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if (!silent) {
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self.trigger('splitter.resize');
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self.find('.splitter_panel').trigger('splitter.resize');
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}
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return self;
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};
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} else if (settings.orientation == 'horizontal') {
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return function(n, silent) {
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if (n === undefined) {
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return position;
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} else {
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position = get_position(n);
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var sw = splitter.height();
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var sw2 = sw/2, pw;
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if (settings.invisible) {
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pw = panel_1.height(position).outerHeight();
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panel_2.height(self.height()-pw);
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splitter.css('top', pw-sw2);
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} else {
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pw = panel_1.height(position-sw2).outerHeight();
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panel_2.height(self.height()-pw-sw);
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splitter.css('top', pw);
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}
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}
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if (!silent) {
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self.trigger('splitter.resize');
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self.find('.splitter_panel').trigger('splitter.resize');
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}
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return self;
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};
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} else {
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return $.noop;
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}
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})(),
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orientation: settings.orientation,
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limit: settings.limit,
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isActive: function() {
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return splitter_id === id;
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},
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destroy: function() {
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self.removeClass('splitter_panel');
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splitter.unbind('mouseenter');
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splitter.unbind('mouseleave');
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splitter.unbind('touchstart');
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splitter.unbind('touchmove');
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splitter.unbind('touchend');
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splitter.unbind('touchleave');
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splitter.unbind('touchcancel');
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if (settings.orientation == 'vertical') {
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panel_1.removeClass('left_panel');
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panel_2.removeClass('right_panel');
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} else if (settings.orientation == 'horizontal') {
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panel_1.removeClass('top_panel');
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panel_2.removeClass('bottom_panel');
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}
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self.unbind('splitter.resize');
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self.trigger('splitter.resize');
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self.find('.splitter_panel').trigger('splitter.resize');
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splitters[id] = null;
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count--;
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splitter.remove();
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self.removeData('splitter');
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var not_null = false;
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for (var i=splitters.length; i--;) {
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if (splitters[i] !== null) {
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not_null = true;
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break;
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}
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}
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//remove document events when no splitters
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if (!not_null) {
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$(document.documentElement).unbind('.splitter');
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$(window).unbind('resize.splitter');
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splitters = [];
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count = 0;
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}
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}
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});
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self.bind('splitter.resize', function(e) {
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var pos = self.position();
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if (self.orientation == 'vertical' &&
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pos > self.width()) {
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pos = self.width() - self.limit-1;
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} else if (self.orientation == 'horizontal' &&
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pos > self.height()) {
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pos = self.height() - self.limit-1;
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}
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if (pos < self.limit) {
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pos = self.limit + 1;
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}
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e.stopPropagation();
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self.position(pos, true);
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});
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//inital position of splitter
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var pos;
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if (settings.orientation == 'vertical') {
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if (pos > width-settings.limit) {
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pos = width-settings.limit;
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} else {
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pos = get_position(settings.position);
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}
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} else if (settings.orientation == 'horizontal') {
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//position = height/2;
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if (pos > height-settings.limit) {
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pos = height-settings.limit;
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} else {
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pos = get_position(settings.position);
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}
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}
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if (pos < settings.limit) {
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pos = settings.limit;
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}
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self.position(pos, true);
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var parent = this.closest('.splitter_panel');
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if (parent.length) {
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this.height(parent.height());
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}
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// bind events to document if no splitters
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if (splitters.filter(Boolean).length === 0) {
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$(window).bind('resize.splitter', function() {
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$.each(splitters, function(i, splitter) {
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if (splitter) {
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splitter.refresh();
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}
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});
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});
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$(document.documentElement).on('mousedown.splitter touchstart.splitter', function(e) {
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if (splitter_id !== null) {
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e.preventDefault();
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current_splitter = splitters[splitter_id];
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setTimeout(function() {
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$('<div class="splitterMask"></div>').
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css('cursor', current_splitter.children().eq(1).css('cursor')).
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insertAfter(current_splitter);
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});
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current_splitter.settings.onDragStart(e);
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}
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}).bind('mouseup.splitter touchend.splitter touchleave.splitter touchcancel.splitter', function(e) {
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if (current_splitter) {
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setTimeout(function() {
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$('.splitterMask').remove();
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});
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current_splitter.settings.onDragEnd(e);
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current_splitter = null;
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}
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}).bind('mousemove.splitter touchmove.splitter', function(e) {
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if (current_splitter !== null) {
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var limit = current_splitter.limit;
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var offset = current_splitter.offset();
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if (current_splitter.orientation == 'vertical') {
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var pageX = e.pageX;
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if(e.originalEvent && e.originalEvent.changedTouches){
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pageX = e.originalEvent.changedTouches[0].pageX;
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}
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var x = pageX - offset.left;
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if (x <= current_splitter.limit) {
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x = current_splitter.limit + 1;
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} else if (x >= current_splitter.width() - limit) {
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x = current_splitter.width() - limit - 1;
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}
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if (x > current_splitter.limit &&
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x < current_splitter.width()-limit) {
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current_splitter.position(x, true);
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current_splitter.trigger('splitter.resize');
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current_splitter.find('.splitter_panel').
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trigger('splitter.resize');
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//e.preventDefault();
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}
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} else if (current_splitter.orientation == 'horizontal') {
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var pageY = e.pageY;
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if(e.originalEvent && e.originalEvent.changedTouches){
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pageY = e.originalEvent.changedTouches[0].pageY;
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}
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var y = pageY-offset.top;
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if (y <= current_splitter.limit) {
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y = current_splitter.limit + 1;
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} else if (y >= current_splitter.height() - limit) {
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y = current_splitter.height() - limit - 1;
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}
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if (y > current_splitter.limit &&
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y < current_splitter.height()-limit) {
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current_splitter.position(y, true);
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current_splitter.trigger('splitter.resize');
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current_splitter.find('.splitter_panel').
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trigger('splitter.resize');
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//e.preventDefault();
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}
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}
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current_splitter.settings.onDrag(e);
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}
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});//*/
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}
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splitters[id] = self;
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self.data('splitter', self);
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return self;
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};
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})(jQuery);
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