aboutsummaryrefslogtreecommitdiff
path: root/subsonic-main/src/main/webapp/script/webfx/slider.js
diff options
context:
space:
mode:
Diffstat (limited to 'subsonic-main/src/main/webapp/script/webfx/slider.js')
-rw-r--r--subsonic-main/src/main/webapp/script/webfx/slider.js489
1 files changed, 489 insertions, 0 deletions
diff --git a/subsonic-main/src/main/webapp/script/webfx/slider.js b/subsonic-main/src/main/webapp/script/webfx/slider.js
new file mode 100644
index 00000000..ddc6d756
--- /dev/null
+++ b/subsonic-main/src/main/webapp/script/webfx/slider.js
@@ -0,0 +1,489 @@
+/*----------------------------------------------------------------------------\
+| Slider 1.02 |
+|-----------------------------------------------------------------------------|
+| Created by Erik Arvidsson |
+| (http://webfx.eae.net/contact.html#erik) |
+| For WebFX (http://webfx.eae.net/) |
+|-----------------------------------------------------------------------------|
+| A slider control that degrades to an input control for non supported |
+| browsers. |
+|-----------------------------------------------------------------------------|
+| Copyright (c) 2002, 2003, 2006 Erik Arvidsson |
+|-----------------------------------------------------------------------------|
+| Licensed under the Apache License, Version 2.0 (the "License"); you may not |
+| use this file except in compliance with the License. You may obtain a copy |
+| of the License at http://www.apache.org/licenses/LICENSE-2.0 |
+| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
+| WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
+| License for the specific language governing permissions and limitations |
+| under the License. |
+|-----------------------------------------------------------------------------|
+| Dependencies: timer.js - an OO abstraction of timers |
+| range.js - provides the data model for the slider |
+| winclassic.css or any other css file describing the look |
+|-----------------------------------------------------------------------------|
+| 2002-10-14 | Original version released |
+| 2003-03-27 | Added a test in the constructor for missing oElement arg |
+| 2003-11-27 | Only use mousewheel when focused |
+| 2006-05-28 | Changed license to Apache Software License 2.0. |
+|-----------------------------------------------------------------------------|
+| Created 2002-10-14 | All changes are in the log above. | Updated 2006-05-28 |
+\----------------------------------------------------------------------------*/
+
+Slider.isSupported = typeof document.createElement != "undefined" &&
+ typeof document.documentElement != "undefined" &&
+ typeof document.documentElement.offsetWidth == "number";
+
+
+function Slider(oElement, oInput, sOrientation) {
+ if (!oElement) return;
+ this._orientation = sOrientation || "horizontal";
+ this._range = new Range();
+ this._range.setExtent(0);
+ this._blockIncrement = 10;
+ this._unitIncrement = 1;
+ this._timer = new Timer(100);
+
+
+ if (Slider.isSupported && oElement) {
+
+ this.document = oElement.ownerDocument || oElement.document;
+
+ this.element = oElement;
+ this.element.slider = this;
+ this.element.unselectable = "on";
+
+ // add class name tag to class name
+ this.element.className = this._orientation + " " + this.classNameTag + " " + this.element.className;
+
+ // create line
+ this.line = this.document.createElement("DIV");
+ this.line.className = "line";
+ this.line.unselectable = "on";
+ this.line.appendChild(this.document.createElement("DIV"));
+ this.element.appendChild(this.line);
+
+ // create handle
+ this.handle = this.document.createElement("DIV");
+ this.handle.className = "handle";
+ this.handle.unselectable = "on";
+ this.handle.appendChild(this.document.createElement("DIV"));
+ this.handle.firstChild.appendChild(
+ this.document.createTextNode(String.fromCharCode(160)));
+ this.element.appendChild(this.handle);
+ }
+
+ this.input = oInput;
+
+ // events
+ var oThis = this;
+ this._range.onchange = function () {
+ oThis.recalculate();
+ if (typeof oThis.onchange == "function")
+ oThis.onchange();
+ };
+
+ if (Slider.isSupported && oElement) {
+ this.element.onfocus = Slider.eventHandlers.onfocus;
+ this.element.onblur = Slider.eventHandlers.onblur;
+ this.element.onmousedown = Slider.eventHandlers.onmousedown;
+ this.element.onmouseover = Slider.eventHandlers.onmouseover;
+ this.element.onmouseout = Slider.eventHandlers.onmouseout;
+ this.element.onkeydown = Slider.eventHandlers.onkeydown;
+ this.element.onkeypress = Slider.eventHandlers.onkeypress;
+ this.element.onmousewheel = Slider.eventHandlers.onmousewheel;
+ this.handle.onselectstart =
+ this.element.onselectstart = function () { return false; };
+
+ this._timer.ontimer = function () {
+ oThis.ontimer();
+ };
+
+ // extra recalculate for ie
+ window.setTimeout(function() {
+ oThis.recalculate();
+ }, 1);
+ }
+ else {
+ this.input.onchange = function (e) {
+ oThis.setValue(oThis.input.value);
+ };
+ }
+}
+
+Slider.eventHandlers = {
+
+ // helpers to make events a bit easier
+ getEvent: function (e, el) {
+ if (!e) {
+ if (el)
+ e = el.document.parentWindow.event;
+ else
+ e = window.event;
+ }
+ if (!e.srcElement) {
+ var el = e.target;
+ while (el != null && el.nodeType != 1)
+ el = el.parentNode;
+ e.srcElement = el;
+ }
+ if (typeof e.offsetX == "undefined") {
+ e.offsetX = e.layerX;
+ e.offsetY = e.layerY;
+ }
+
+ return e;
+ },
+
+ getDocument: function (e) {
+ if (e.target)
+ return e.target.ownerDocument;
+ return e.srcElement.document;
+ },
+
+ getSlider: function (e) {
+ var el = e.target || e.srcElement;
+ while (el != null && el.slider == null) {
+ el = el.parentNode;
+ }
+ if (el)
+ return el.slider;
+ return null;
+ },
+
+ getLine: function (e) {
+ var el = e.target || e.srcElement;
+ while (el != null && el.className != "line") {
+ el = el.parentNode;
+ }
+ return el;
+ },
+
+ getHandle: function (e) {
+ var el = e.target || e.srcElement;
+ var re = /handle/;
+ while (el != null && !re.test(el.className)) {
+ el = el.parentNode;
+ }
+ return el;
+ },
+ // end helpers
+
+ onfocus: function (e) {
+ var s = this.slider;
+ s._focused = true;
+ s.handle.className = "handle hover";
+ },
+
+ onblur: function (e) {
+ var s = this.slider
+ s._focused = false;
+ s.handle.className = "handle";
+ },
+
+ onmouseover: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var s = this.slider;
+ if (e.srcElement == s.handle)
+ s.handle.className = "handle hover";
+ },
+
+ onmouseout: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var s = this.slider;
+ if (e.srcElement == s.handle && !s._focused)
+ s.handle.className = "handle";
+ },
+
+ onmousedown: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var s = this.slider;
+ if (s.element.focus)
+ s.element.focus();
+
+ Slider._currentInstance = s;
+ var doc = s.document;
+
+ if (doc.addEventListener) {
+ doc.addEventListener("mousemove", Slider.eventHandlers.onmousemove, true);
+ doc.addEventListener("mouseup", Slider.eventHandlers.onmouseup, true);
+ }
+ else if (doc.attachEvent) {
+ doc.attachEvent("onmousemove", Slider.eventHandlers.onmousemove);
+ doc.attachEvent("onmouseup", Slider.eventHandlers.onmouseup);
+ doc.attachEvent("onlosecapture", Slider.eventHandlers.onmouseup);
+ s.element.setCapture();
+ }
+
+ if (Slider.eventHandlers.getHandle(e)) { // start drag
+ Slider._sliderDragData = {
+ screenX: e.screenX,
+ screenY: e.screenY,
+ dx: e.screenX - s.handle.offsetLeft,
+ dy: e.screenY - s.handle.offsetTop,
+ startValue: s.getValue(),
+ slider: s
+ };
+ }
+ else {
+ var lineEl = Slider.eventHandlers.getLine(e);
+ s._mouseX = e.offsetX + (lineEl ? s.line.offsetLeft : 0);
+ s._mouseY = e.offsetY + (lineEl ? s.line.offsetTop : 0);
+ s._increasing = null;
+ s.ontimer();
+ }
+ },
+
+ onmousemove: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+
+ if (Slider._sliderDragData) { // drag
+ var s = Slider._sliderDragData.slider;
+
+ var boundSize = s.getMaximum() - s.getMinimum();
+ var size, pos, reset;
+
+ if (s._orientation == "horizontal") {
+ size = s.element.offsetWidth - s.handle.offsetWidth;
+ pos = e.screenX - Slider._sliderDragData.dx;
+ reset = Math.abs(e.screenY - Slider._sliderDragData.screenY) > 100;
+ }
+ else {
+ size = s.element.offsetHeight - s.handle.offsetHeight;
+ pos = s.element.offsetHeight - s.handle.offsetHeight -
+ (e.screenY - Slider._sliderDragData.dy);
+ reset = Math.abs(e.screenX - Slider._sliderDragData.screenX) > 100;
+ }
+ s.setValue(reset ? Slider._sliderDragData.startValue :
+ s.getMinimum() + boundSize * pos / size);
+ return false;
+ }
+ else {
+ var s = Slider._currentInstance;
+ if (s != null) {
+ var lineEl = Slider.eventHandlers.getLine(e);
+ s._mouseX = e.offsetX + (lineEl ? s.line.offsetLeft : 0);
+ s._mouseY = e.offsetY + (lineEl ? s.line.offsetTop : 0);
+ }
+ }
+
+ },
+
+ onmouseup: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var s = Slider._currentInstance;
+ var doc = s.document;
+ if (doc.removeEventListener) {
+ doc.removeEventListener("mousemove", Slider.eventHandlers.onmousemove, true);
+ doc.removeEventListener("mouseup", Slider.eventHandlers.onmouseup, true);
+ }
+ else if (doc.detachEvent) {
+ doc.detachEvent("onmousemove", Slider.eventHandlers.onmousemove);
+ doc.detachEvent("onmouseup", Slider.eventHandlers.onmouseup);
+ doc.detachEvent("onlosecapture", Slider.eventHandlers.onmouseup);
+ s.element.releaseCapture();
+ }
+
+ if (Slider._sliderDragData) { // end drag
+ Slider._sliderDragData = null;
+ }
+ else {
+ s._timer.stop();
+ s._increasing = null;
+ }
+ Slider._currentInstance = null;
+ },
+
+ onkeydown: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ //var s = Slider.eventHandlers.getSlider(e);
+ var s = this.slider;
+ var kc = e.keyCode;
+ switch (kc) {
+ case 33: // page up
+ s.setValue(s.getValue() + s.getBlockIncrement());
+ break;
+ case 34: // page down
+ s.setValue(s.getValue() - s.getBlockIncrement());
+ break;
+ case 35: // end
+ s.setValue(s.getOrientation() == "horizontal" ?
+ s.getMaximum() :
+ s.getMinimum());
+ break;
+ case 36: // home
+ s.setValue(s.getOrientation() == "horizontal" ?
+ s.getMinimum() :
+ s.getMaximum());
+ break;
+ case 38: // up
+ case 39: // right
+ s.setValue(s.getValue() + s.getUnitIncrement());
+ break;
+
+ case 37: // left
+ case 40: // down
+ s.setValue(s.getValue() - s.getUnitIncrement());
+ break;
+ }
+
+ if (kc >= 33 && kc <= 40) {
+ return false;
+ }
+ },
+
+ onkeypress: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var kc = e.keyCode;
+ if (kc >= 33 && kc <= 40) {
+ return false;
+ }
+ },
+
+ onmousewheel: function (e) {
+ e = Slider.eventHandlers.getEvent(e, this);
+ var s = this.slider;
+ if (s._focused) {
+ s.setValue(s.getValue() + e.wheelDelta / 120 * s.getUnitIncrement());
+ // windows inverts this on horizontal sliders. That does not
+ // make sense to me
+ return false;
+ }
+ }
+};
+
+
+
+Slider.prototype.classNameTag = "dynamic-slider-control";
+
+Slider.prototype.setValue = function (v) {
+ this._range.setValue(v);
+ this.input.value = this.getValue();
+};
+
+Slider.prototype.getValue = function () {
+ return this._range.getValue();
+};
+
+Slider.prototype.setMinimum = function (v) {
+ this._range.setMinimum(v);
+ this.input.value = this.getValue();
+};
+
+Slider.prototype.getMinimum = function () {
+ return this._range.getMinimum();
+};
+
+Slider.prototype.setMaximum = function (v) {
+ this._range.setMaximum(v);
+ this.input.value = this.getValue();
+};
+
+Slider.prototype.getMaximum = function () {
+ return this._range.getMaximum();
+};
+
+Slider.prototype.setUnitIncrement = function (v) {
+ this._unitIncrement = v;
+};
+
+Slider.prototype.getUnitIncrement = function () {
+ return this._unitIncrement;
+};
+
+Slider.prototype.setBlockIncrement = function (v) {
+ this._blockIncrement = v;
+};
+
+Slider.prototype.getBlockIncrement = function () {
+ return this._blockIncrement;
+};
+
+Slider.prototype.getOrientation = function () {
+ return this._orientation;
+};
+
+Slider.prototype.setOrientation = function (sOrientation) {
+ if (sOrientation != this._orientation) {
+ if (Slider.isSupported && this.element) {
+ // add class name tag to class name
+ this.element.className = this.element.className.replace(this._orientation,
+ sOrientation);
+ }
+ this._orientation = sOrientation;
+ this.recalculate();
+
+ }
+};
+
+Slider.prototype.recalculate = function() {
+ if (!Slider.isSupported || !this.element) return;
+
+ var w = this.element.offsetWidth;
+ var h = this.element.offsetHeight;
+ var hw = this.handle.offsetWidth;
+ var hh = this.handle.offsetHeight;
+ var lw = this.line.offsetWidth;
+ var lh = this.line.offsetHeight;
+
+ // this assumes a border-box layout
+
+ if (this._orientation == "horizontal") {
+ this.handle.style.left = (w - hw) * (this.getValue() - this.getMinimum()) /
+ (this.getMaximum() - this.getMinimum()) + "px";
+ this.handle.style.top = (h - hh) / 2 + "px";
+
+ this.line.style.top = (h - lh) / 2 + "px";
+ this.line.style.left = hw / 2 + "px";
+ //this.line.style.right = hw / 2 + "px";
+ this.line.style.width = Math.max(0, w - hw - 2)+ "px";
+ this.line.firstChild.style.width = Math.max(0, w - hw - 4)+ "px";
+ }
+ else {
+ this.handle.style.left = (w - hw) / 2 + "px";
+ this.handle.style.top = h - hh - (h - hh) * (this.getValue() - this.getMinimum()) /
+ (this.getMaximum() - this.getMinimum()) + "px";
+
+ this.line.style.left = (w - lw) / 2 + "px";
+ this.line.style.top = hh / 2 + "px";
+ this.line.style.height = Math.max(0, h - hh - 2) + "px"; //hard coded border width
+ //this.line.style.bottom = hh / 2 + "px";
+ this.line.firstChild.style.height = Math.max(0, h - hh - 4) + "px"; //hard coded border width
+ }
+};
+
+Slider.prototype.ontimer = function () {
+ var hw = this.handle.offsetWidth;
+ var hh = this.handle.offsetHeight;
+ var hl = this.handle.offsetLeft;
+ var ht = this.handle.offsetTop;
+
+ if (this._orientation == "horizontal") {
+ if (this._mouseX > hl + hw &&
+ (this._increasing == null || this._increasing)) {
+ this.setValue(this.getValue() + this.getBlockIncrement());
+ this._increasing = true;
+ }
+ else if (this._mouseX < hl &&
+ (this._increasing == null || !this._increasing)) {
+ this.setValue(this.getValue() - this.getBlockIncrement());
+ this._increasing = false;
+ }
+ }
+ else {
+ if (this._mouseY > ht + hh &&
+ (this._increasing == null || !this._increasing)) {
+ this.setValue(this.getValue() - this.getBlockIncrement());
+ this._increasing = false;
+ }
+ else if (this._mouseY < ht &&
+ (this._increasing == null || this._increasing)) {
+ this.setValue(this.getValue() + this.getBlockIncrement());
+ this._increasing = true;
+ }
+ }
+
+ this._timer.start();
+}; \ No newline at end of file