3e536dd4a8
From now on, we'll keep jQuery plugins required by the backend in /templates/2k11/admin/js/ (as well as other vendor JS like e.g. Modernizr).
126 lines
3.1 KiB
JavaScript
126 lines
3.1 KiB
JavaScript
/*
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* AutoScroll Plugin for jQuery
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*
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* Copyright (c) 2006 Jonathan Sharp (jdsharp.us)
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* Licensed under the GPL license.
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*
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* http://jdsharp.us/code/AutoScroll/
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*
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* Date: 2006-09-19
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* Rev: 001
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*/
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$.autoscroll = {
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settings: {},
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interval: 0,
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event: null,
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init: function(opts) {
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$.autoscroll.settings = {
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step: 80,
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trigger: 75,
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interval: 80,
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mod_key: 17
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};
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if (opts) {
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for (o in opts) {
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$.autoscroll.settings[o] = opts[o];
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}
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}
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$.autoscroll.setKeyEvent();
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document.onmousemove= $.autoscroll.setMouseEvent;
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},
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stop: function() {
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clearInterval($.autoscroll.interval);
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$.autoscroll.interval = 0;
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},
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setKeyEvent: function(e) {
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if ($.autoscroll.interval == 0) {
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$.autoscroll.interval = setInterval($.autoscroll.step, $.autoscroll.settings.interval);
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}
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},
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setMouseEvent: function(e) {
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var e = e || window.event;
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var de = document.documentElement;
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var b = document.body;
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$.autoscroll.event = {
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cursor: {
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x: e.pageX || (e.clientX + (de.scrollLeft || b.scrollLeft) - (de.clientLeft || 0)),
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y: e.pageY || (e.clientY + (de.scrollTop || b.scrollTop) - (de.clientTop || 0))
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},
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win: {
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w: window.innerWidth || (de.clientWidth && de.clientWidth != 0 ? de.clientWidth : b.offsetWidth),
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h: window.innerHeight || (de.clientHeight && de.clientWidth != 0 ? de.clientHeight : b.offsetHeight)
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},
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scroll: {
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x: (document.all ?
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(!de.scrollLeft ? b.scrollLeft : de.scrollLeft)
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:
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(window.pageXOffset ? window.pageXOffset : window.scrollX)
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),
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y: (document.all ?
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(!de.scrollTop ? b.scrollTop : de.scrollTop)
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:
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(window.pageYOffset ? window.pageYOffset : window.scrollY)
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)
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}
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};
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},
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step: function() {
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var e = $.autoscroll.event;
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if (!e) {
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return;
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}
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var hot_l = e.scroll.x;
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var hot_r = e.scroll.x + e.win.w;
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var x = e.cursor.x;
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var hot_t = e.scroll.y;
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var hot_b = e.scroll.y + e.win.h;
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var y = e.cursor.y;
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if (hot_l <= x && x <= (hot_l + $.autoscroll.settings.trigger)) {
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var ratio = (1 - ((x - hot_l) / $.autoscroll.settings.trigger));
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var step = Math.round(ratio * $.autoscroll.settings.step, 0);
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e.scroll.x += -step;
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e.cursor.x += -step;
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} else if ((hot_r - $.autoscroll.settings.trigger) <= x && x <= hot_r) {
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var ratio = (1 - ((hot_r - x) / $.autoscroll.settings.trigger));
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var step = Math.round(ratio * $.autoscroll.settings.step, 0);
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e.scroll.x += step;
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e.cursor.x += step;
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}
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if (hot_t <= y && y <= (hot_t + $.autoscroll.settings.trigger)) {
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var ratio = (1 - ((y - hot_t) / $.autoscroll.settings.trigger));
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var step = Math.round(ratio * $.autoscroll.settings.step, 0);
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e.scroll.y += -step;
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e.cursor.y += -step;
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} else if ((hot_b - $.autoscroll.settings.trigger) <= y && y <= hot_b) {
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var ratio = (1 - ((hot_b - y) / $.autoscroll.settings.trigger));
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var step = Math.round(ratio * $.autoscroll.settings.step, 0);
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e.scroll.y += step;
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e.cursor.y += step;
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}
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if (e.scroll.x < 0) {
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e.scroll.x = 0;
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e.cursor.x = 0;
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}
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if (e.scroll.y < 0) {
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e.scroll.y = 0;
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e.cursor.y = 0;
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}
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window.scrollTo(e.scroll.x, e.scroll.y);
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}
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}; |