mirror of
https://github.com/pierre42100/comunic
synced 2024-09-29 03:22:49 +00:00
757 lines
27 KiB
JavaScript
Executable File
757 lines
27 KiB
JavaScript
Executable File
(function( $ ) {
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$.widget("metro.scrollbar", {
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version: "1.0.0",
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options: {
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height: '100%', /* '100%'|int */
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width: '100%', /* '100%'|int */
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axis: ['x','y'], /* x|y|[x,y] */
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wheel: 55 /* step in px */
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//size: 'auto' /* 'auto'|int */
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},
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startSize: {
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width: null,
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height: null
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},
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elemPadding: false,
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bothScroll: false,
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scrollbar: null,
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contentHeight: 0,
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contentWidth: 0,
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contentMinHeight: 0,
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contentMinWidth: 0,
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dragElem: null,
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dragStart: false,
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startCoords: {
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x:0,
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y:0
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},
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currCoords: {
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x:0,
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y:0
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},
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handlers: false,
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_create: function() {
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var elem = this.element;
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var that = this;
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if(elem.data('scroll') != undefined) {
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var dataScroll = elem.data('scroll');
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if(dataScroll == 'vertical') {
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this.options.axis = 'y';
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}
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if(dataScroll == 'horizontal') {
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this.options.axis = 'x';
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}
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if(dataScroll == 'both') {
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this.options.axis = ['x','y'];
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}
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}
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if(elem.data('height') != undefined) {
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this.options.height = elem.data('height');
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}
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if(elem.data('width') != undefined) {
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this.options.width = elem.data('width');
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}
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if(elem.data('wheel') != undefined) {
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this.options.wheel = elem.data('wheel');
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}
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elem.css({
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position: 'relative'
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});
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentMinWidth = width;
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this.contentMinHeight = height;
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this.startSize.width = this.options.width;
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this.startSize.height = this.options.height;
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var sw = (this.startSize.width == parseInt(this.startSize.width)) ? this.startSize.width+'px' : this.startSize.width;
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var sh = (this.startSize.height == parseInt(this.startSize.height)) ? this.startSize.height+'px' : this.startSize.height;
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elem.wrap('<div class="scrollbar" style="width: '+sw+'; height: '+sh+';"></div>');
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this.scrollbar = elem.parents('.scrollbar').first();
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this.scrollbar.parents().first().css({
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overflow: 'hidden'
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});
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this._build(width,height);
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$(window).resize(function () {
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that._resize();
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});
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},
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_resize: function () {
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var elem = this.element;
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if( (!isNaN(parseInt(this.element.css('left'))) && parseInt(this.element.css('left')) != 0) || (!isNaN(parseInt(this.element.css('top'))) && parseInt(this.element.css('top'))) ) {
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var l = Math.abs(parseInt(this.element.css('left')));
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var t = Math.abs(parseInt(this.element.css('top')));
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var w = this.scrollbar.width();
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var h = this.scrollbar.height();
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if(this.contentWidth - l < w) {
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l = l - (w-(this.contentWidth - l));
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if(l<0) {
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l = 0;
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}
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this.element.css('left',l*(-1));
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}
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this.element.css('left',l*(-1));
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if(this.contentHeight - t < h) {
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t = t - (h-(this.contentHeight - t));
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if(t<0) {
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t = 0;
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}
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this.element.css('top',t*(-1));
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}
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}
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this.options.width = this.startSize.width;
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this.options.height = this.startSize.height;
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this.scrollbar.css({
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padding: 0
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});
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if(this.elemPadding) {
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this.element.css({
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paddingRight: '-=5',
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paddingBottom: '-=5'
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});
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this.elemPadding = false;
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}
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if(this.scrollbar.find('.scrollbar-v').length>0) {
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this.scrollbar.find('.scrollbar-v').remove();
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}
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if(this.scrollbar.find('.scrollbar-h').length>0) {
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this.scrollbar.find('.scrollbar-h').remove();
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}
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if(this.scrollbar.find('.scrollbar-both').length>0) {
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this.scrollbar.find('.scrollbar-both').remove();
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}
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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this._removeHandlers();
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this._build(width,height);
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},
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_build: function (width,height) {
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var elem = this.element;
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this.options.width = (this.options.width == '100%') ? this.scrollbar.outerWidth() : this.options.width;
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this.options.height = (this.options.height == '100%') ? this.scrollbar.outerHeight() : this.options.height;
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this.scrollbar.css({
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width: this.startSize.width,
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height: this.startSize.height
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});
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this.contentWidth = width;
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this.contentHeight = height;
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if(this.options.axis == 'y') {
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/* vertical */
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if(this.contentHeight>this.options.height) {
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this.scrollbar.css({
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paddingRight: 20,
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paddingBottom: 0
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});
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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this._verticalScrollbar();
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this._startHandlers();
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}
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else {
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if(this.scrollbar.find('.scrollbar-v').length>0) {
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this.scrollbar.find('.scrollbar-v').hide();
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}
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this.scrollbar.css({
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paddingRight: 0,
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paddingBottom: 0
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});
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}
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}
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else if(this.options.axis == 'x') {
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/* horizontal */
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if(this.contentWidth>this.options.width) {
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if(this.startSize.height == '100%') {
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this.scrollbar.css({
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paddingBottom: 20,
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paddingRight: 0
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});
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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}
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this._horizontalScrollbar();
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this._startHandlers();
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}
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else {
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if(this.scrollbar.find('.scrollbar-h').length>0) {
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this.scrollbar.find('.scrollbar-h').hide();
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}
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this.scrollbar.css({
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paddingBottom: 0,
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paddingRight: 0
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});
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}
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}
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else {
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/* both */
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if(this.contentHeight>this.options.height && this.contentWidth>this.options.width) {
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this.bothScroll = true;
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if(this.scrollbar.find('.scrollbar-both').length>0) {
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this.scrollbar.find('.scrollbar-both').show();
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}
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else {
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this.scrollbar.append('<div class="scrollbar-both"></div>');
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}
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if(!this.elemPadding) {
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this.element.css({
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paddingRight: '+=5',
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paddingBottom: '+=5'
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});
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this.elemPadding = true;
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}
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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this._verticalScrollbar();
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this._horizontalScrollbar();
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this._startHandlers();
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}
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else {
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this.bothScroll = false;
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if(this.scrollbar.find('.scrollbar-both').length>0) {
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this.scrollbar.find('.scrollbar-both').hide();
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}
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if(this.elemPadding) {
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this.element.css({
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paddingRight: '-=5',
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paddingBottom: '-=5'
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});
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this.elemPadding = false;
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}
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if(this.contentWidth>this.options.width) {
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if(this.startSize.height == '100%') {
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this.scrollbar.css({
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paddingBottom: 20,
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paddingRight: 0
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});
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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}
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this._horizontalScrollbar();
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this._startHandlers();
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}
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else {
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if(this.scrollbar.find('.scrollbar-h').length>0) {
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this.scrollbar.find('.scrollbar-h').hide();
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}
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this.scrollbar.css({
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paddingBottom: 0,
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paddingRight: 0
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});
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}
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if(this.contentHeight>this.options.height) {
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this.scrollbar.css({
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paddingRight: 20,
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paddingBottom: 0
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});
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var width = elem.outerWidth();
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var height = elem.outerHeight();
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this.contentWidth = width;
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this.contentHeight = height;
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this._verticalScrollbar();
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this._startHandlers();
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}
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else {
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if(this.scrollbar.find('.scrollbar-v').length>0) {
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this.scrollbar.find('.scrollbar-v').hide();
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}
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this.scrollbar.css({
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paddingRight: 0,
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paddingBottom: 0
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});
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}
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}
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}
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},
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_verticalScrollbar: function () {
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if(this.scrollbar.find('.scrollbar-v').length<1) {
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var str = [];
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str[str.length] = '<div class="scrollbar-v">';
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str[str.length] = '<div class="scrollbar-v-up"></div>';
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str[str.length] = '<div class="scrollbar-v-down"></div>';
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str[str.length] = '<div class="scrollbar-line-v">';
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str[str.length] = '<div class="scrollbar-line-v-btn"></div>';
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str[str.length] = '</div>';
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str[str.length] = '</div>';
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str = str.join('');
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this.scrollbar.append(str);
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}
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else {
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this.scrollbar.find('.scrollbar-v').show();
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}
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var line = this.scrollbar.find('.scrollbar-line-v');
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var btn = this.scrollbar.find('.scrollbar-line-v-btn');
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var scrollBar = this.scrollbar.find('.scrollbar-v');
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if(this.bothScroll) {
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scrollBar.height(this.options.height);
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var h = scrollBar.height()-15;
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this.options.height = h;
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scrollBar.height(h);
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}
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else {
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scrollBar.height(this.options.height);
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}
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var height = this.options.height-32;
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var ratio = height/this.contentHeight;
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line.height(height);
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if(ratio>=(this.contentHeight-32)/this.contentHeight) {
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btn.hide();
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}
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else {
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var btnHeight = ratio*this.options.height;
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btn.show().height(btnHeight);
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}
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},
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_horizontalScrollbar: function () {
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if(this.scrollbar.find('.scrollbar-h').length<1) {
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var str = [];
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str[str.length] = '<div class="scrollbar-h">';
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str[str.length] = '<div class="scrollbar-h-up"></div>';
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str[str.length] = '<div class="scrollbar-h-down"></div>';
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str[str.length] = '<div class="scrollbar-line-h">';
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str[str.length] = '<div class="scrollbar-line-h-btn"></div>';
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str[str.length] = '</div>';
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str[str.length] = '</div>';
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str = str.join('');
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this.scrollbar.append(str);
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}
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else {
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this.scrollbar.find('.scrollbar-h').show();
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}
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var line = this.scrollbar.find('.scrollbar-line-h');
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var btn = this.scrollbar.find('.scrollbar-line-h-btn');
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var scrollBar = this.scrollbar.find('.scrollbar-h');
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if(this.bothScroll) {
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scrollBar.width(this.options.width);
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var w = scrollBar.width()-15;
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this.options.width = w;
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scrollBar.width(w);
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}
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else {
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scrollBar.width(this.options.width);
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}
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var width = this.options.width-32;
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var ratio = width/this.contentWidth;
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var btnWidth = ratio*this.options.width;
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var l = (!isNaN(parseInt(this.element.css('left')))) ? parseInt(this.element.css('left')) : 0;
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var left = Math.abs(l)*ratio;
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line.width(width);
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if(ratio>=(this.contentWidth-32)/this.contentWidth) {
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btn.hide();
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}
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else {
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btn.show().width(btnWidth).css({
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left:left
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});
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}
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},
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_startHandlers: function () {
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if(this.handlers) {
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return false;
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}
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this.handlers = true;
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var that = this;
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$(document).mousemove(function(e){
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that._drag(e);
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});
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$(document).mouseup(function(e){
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that._dragEnd(e);
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});
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this.scrollbar.find('.scrollbar-line-v-btn,.scrollbar-line-h-btn').on('mousedown', function(e){
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that._dragStart(e, $(this));
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});
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this.scrollbar.find('.scrollbar-line-v,.scrollbar-line-h').on('click', function(e){
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that._clickPos(e, $(this));
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});
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this.scrollbar.find('.scrollbar-v-up,.scrollbar-h-up').on('click', function(e){
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that._fixScroll(1,$(this));
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});
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this.scrollbar.find('.scrollbar-v-down,.scrollbar-h-down').on('click', function(e){
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that._fixScroll(-1,$(this));
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});
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this.scrollbar.mousewheel(function(e, delta) {
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that._fixScroll(delta);
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return false;
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});
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},
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_removeHandlers: function () {
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if(!this.handlers) {
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return false;
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}
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this.handlers = false;
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var that = this;
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$(document).mousemove(function(e){
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return false;
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});
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$(document).mouseup(function(e){
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return false;
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});
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this.scrollbar.find('.scrollbar-line-v-btn,.scrollbar-line-h-btn').off('mousedown');
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this.scrollbar.find('.scrollbar-line-v,.scrollbar-line-h').off('click');
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this.scrollbar.find('.scrollbar-v-up,.scrollbar-h-up').off('click');
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this.scrollbar.find('.scrollbar-v-down,.scrollbar-h-down').off('click');
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},
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_clickPos: function (e,elem) {
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if($(e.target).attr('class') == 'scrollbar-line-v' || $(e.target).attr('class') == 'scrollbar-line-h') {
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var offset = elem.offset();
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if($(e.target).attr('class') == 'scrollbar-line-v') {
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var top = e.pageY - offset.top;
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var btn = elem.find('.scrollbar-line-v-btn');
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this.dragElem = {
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elem: btn,
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width: btn.width(),
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height: btn.height(),
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parent: elem,
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parentWidth: elem.width(),
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parentHeight: elem.height(),
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parentOffset: offset
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};
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this._scrollTo(0,top,'y');
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this.dragElem = null;
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}
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else {
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var left = e.pageX - offset.left;
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var btn = elem.find('.scrollbar-line-h-btn');
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this.dragElem = {
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elem: btn,
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width: btn.width(),
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height: btn.height(),
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parent: elem,
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parentWidth: elem.width(),
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parentHeight: elem.height(),
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parentOffset: offset
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};
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this._scrollTo(left,0,'x');
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this.dragElem = null;
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}
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}
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},
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_fixScroll: function (delta,elem) {
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var step = this.options.wheel;
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if( (elem !== undefined && (elem.hasClass('scrollbar-h-up') || elem.hasClass('scrollbar-h-down'))) || this.options.axis == 'x' || (this.options.axis != 'x' && this.options.axis != 'y' && this.scrollbar.find('.scrollbar-v').length<1)) {
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var percent = step/this.contentWidth*100;
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var barStep = (this.options.width-32)/100*percent;
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var leftCss = parseInt(this.element.css('left'));
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var pos = (!isNaN(leftCss)) ? Math.abs(leftCss) : 0;
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var btn = this.scrollbar.find('.scrollbar-line-h-btn');
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var parent = this.scrollbar.find('.scrollbar-line-h');
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var barLeftCss = parseFloat(btn.css('left'));
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var barPos = (!isNaN(barLeftCss)) ? barLeftCss : 0;
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if(delta>0) {
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var left = pos-step;
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var barLeft = barPos-barStep;
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}
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else {
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var left = pos+step;
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var barLeft = barPos+barStep;
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}
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if(left<0) {
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left = 0;
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}
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if(left>this.contentWidth-this.options.width) {
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left = this.contentWidth-this.options.width;
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}
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var parentsSize = {
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width: parent.width(),
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height: parent.height()
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};
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var dragElemSize = {
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width: btn.width(),
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height: btn.height()
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};
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if(barLeft<0) {
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barLeft = 0;
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}
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if(barLeft+dragElemSize.width>parentsSize.width) {
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barLeft = parentsSize.width-dragElemSize.width;
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}
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this.element.css({
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left: left*(-1)
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});
|
|
btn.css({
|
|
left: barLeft
|
|
});
|
|
}
|
|
else {
|
|
var percent = step/this.contentHeight*100;
|
|
var barStep = (this.options.height-32)/100*percent;
|
|
var topCss = parseInt(this.element.css('top'));
|
|
var pos = (!isNaN(topCss)) ? Math.abs(topCss) : 0;
|
|
|
|
var btn = this.scrollbar.find('.scrollbar-line-v-btn');
|
|
var parent = this.scrollbar.find('.scrollbar-line-v');
|
|
|
|
var barTopCss = parseFloat(btn.css('top'));
|
|
var barPos = (!isNaN(barTopCss)) ? barTopCss : 0;
|
|
|
|
if(delta>0) {
|
|
var top = pos-step;
|
|
var barTop = barPos-barStep;
|
|
}
|
|
else {
|
|
var top = pos+step;
|
|
var barTop = barPos+barStep;
|
|
}
|
|
|
|
if(top<0) {
|
|
top = 0;
|
|
}
|
|
if(top>this.contentHeight-this.options.height) {
|
|
top = this.contentHeight-this.options.height;
|
|
}
|
|
|
|
var parentsSize = {
|
|
width: parent.width(),
|
|
height: parent.height()
|
|
};
|
|
var dragElemSize = {
|
|
width: btn.width(),
|
|
height: btn.height()
|
|
};
|
|
if(barTop<0) {
|
|
barTop = 0;
|
|
}
|
|
if(barTop+dragElemSize.height>parentsSize.height) {
|
|
barTop = parentsSize.height-dragElemSize.height;
|
|
}
|
|
|
|
this.element.css({
|
|
top: top*(-1)
|
|
});
|
|
btn.css({
|
|
top: barTop
|
|
});
|
|
}
|
|
},
|
|
_scrollTo: function (left,top,xy) {
|
|
if(xy == 'x') {
|
|
var width = this.options.width-32;
|
|
var ratio = width/this.contentWidth;
|
|
|
|
var currLeft = left/ratio;
|
|
|
|
if(currLeft<0) {
|
|
currLeft = 0;
|
|
}
|
|
if(currLeft>this.contentWidth-this.options.width) {
|
|
currLeft = this.contentWidth-this.options.width;
|
|
}
|
|
if(left<0) {
|
|
left = 0;
|
|
}
|
|
if(left>this.dragElem.parentWidth-this.dragElem.width) {
|
|
left = this.dragElem.parentWidth-this.dragElem.width;
|
|
}
|
|
|
|
this.dragElem.elem.css({
|
|
left:left
|
|
});
|
|
this.element.css({
|
|
left: currLeft*(-1)
|
|
});
|
|
}
|
|
else {
|
|
var height = this.options.height-32;
|
|
var ratio = height/this.contentHeight;
|
|
|
|
var currTop = top/ratio;
|
|
if(currTop<0) {
|
|
currTop = 0;
|
|
}
|
|
if(currTop>this.contentHeight-this.options.height) {
|
|
currTop = this.contentHeight-this.options.height;
|
|
}
|
|
if(top<0) {
|
|
top = 0;
|
|
}
|
|
if(top>this.dragElem.parentHeight-this.dragElem.height) {
|
|
top = this.dragElem.parentHeight-this.dragElem.height;
|
|
}
|
|
|
|
this.dragElem.elem.css({
|
|
top:top
|
|
});
|
|
|
|
this.element.css({
|
|
top: currTop*(-1)
|
|
});
|
|
}
|
|
},
|
|
_scroll: function () {
|
|
if(this.dragElem.elem.hasClass('scrollbar-line-h-btn')) {
|
|
var width = this.options.width-32;
|
|
var ratio = width/this.contentWidth;
|
|
|
|
var leftCss = parseInt(this.dragElem.elem.css('left'));
|
|
var leftCurr = (!isNaN(leftCss)) ? Math.abs(leftCss) : 0;
|
|
var left = leftCurr/ratio;
|
|
|
|
if(left<0) {
|
|
left = 0;
|
|
}
|
|
if(left>this.contentWidth-this.options.width) {
|
|
left = this.contentWidth-this.options.width;
|
|
}
|
|
|
|
this.element.css({
|
|
left: left*(-1)
|
|
});
|
|
}
|
|
else {
|
|
var height = this.options.height-32;
|
|
var ratio = height/this.contentHeight;
|
|
|
|
var topCss = parseInt(this.dragElem.elem.css('top'));
|
|
var topCurr = (!isNaN(topCss)) ? Math.abs(topCss) : 0;
|
|
var top = topCurr/ratio;
|
|
if(top<0) {
|
|
top = 0;
|
|
}
|
|
if(top>this.contentHeight-this.options.height) {
|
|
top = this.contentHeight-this.options.height;
|
|
}
|
|
|
|
this.element.css({
|
|
top: top*(-1)
|
|
});
|
|
}
|
|
},
|
|
|
|
_startCoordsDiff: function (e) {
|
|
var offset = this.dragElem.elem.offset();
|
|
this.startCoords.x = e.pageX - offset.left;
|
|
this.startCoords.y = e.pageY - offset.top;
|
|
},
|
|
_dragStart: function (e,elem) {
|
|
var parent = elem.parents().first();
|
|
this.dragElem = {
|
|
elem: elem,
|
|
width: elem.width(),
|
|
height: elem.height(),
|
|
parent: parent,
|
|
parentWidth: parent.width(),
|
|
parentHeight: parent.height(),
|
|
parentOffset: parent.offset()
|
|
};
|
|
this.dragStart = true;
|
|
this.currCoords.x = e.pageX;
|
|
this.currCoords.y = e.pageY;
|
|
|
|
this._startCoordsDiff(e);
|
|
},
|
|
_drag: function (e) {
|
|
if( this.dragStart ) {
|
|
this.currCoords.x = e.pageX;
|
|
this.currCoords.y = e.pageY;
|
|
var left = this.currCoords.x - this.startCoords.x - this.dragElem.parentOffset.left;
|
|
var top = this.currCoords.y - this.startCoords.y - this.dragElem.parentOffset.top;
|
|
if(left<0) {
|
|
left = 0;
|
|
}
|
|
if(left+this.dragElem.width>=this.dragElem.parentWidth) {
|
|
left = this.dragElem.parentWidth-this.dragElem.width;
|
|
}
|
|
|
|
if(top<0) {
|
|
top = 0;
|
|
}
|
|
if(top+this.dragElem.height>this.dragElem.parentHeight) {
|
|
top = this.dragElem.parentHeight-this.dragElem.height;
|
|
}
|
|
this.dragElem.elem.css({
|
|
left: left,
|
|
top: top
|
|
});
|
|
this._scroll();
|
|
}
|
|
},
|
|
_dragEnd: function (e) {
|
|
if(this.dragStart) {
|
|
this.dragElem = null;
|
|
this.dragStart = false;
|
|
this.startCoords.x = 0;
|
|
this.startCoords.y = 0;
|
|
this.currCoords.x = null;
|
|
this.currCoords.y = null;
|
|
}
|
|
},
|
|
|
|
_destroy: function() {
|
|
|
|
},
|
|
_setOption: function(key, value) {
|
|
this._super('_setOption', key, value);
|
|
}
|
|
})
|
|
})( jQuery );
|
|
|