From d989420a0c316a8c1f9a643418669496f807094b Mon Sep 17 00:00:00 2001
From: Andreas Unterkircher <unki@netshadow.at>
Date: Sun, 22 Jul 2007 10:09:14 +0000
Subject: issue46, added a javascript-based slider to modify slide-interval

git-svn-id: file:///var/lib/svn/phpfspot/trunk@242 fa6a889d-dae6-447d-9e79-4ba9a3039384
---
 slider/js/range.js | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 slider/js/range.js

(limited to 'slider/js/range.js')

diff --git a/slider/js/range.js b/slider/js/range.js
new file mode 100644
index 0000000..54f9a48
--- /dev/null
+++ b/slider/js/range.js
@@ -0,0 +1,132 @@
+/*----------------------------------------------------------------------------\
+|                                Range Class                                  |
+|-----------------------------------------------------------------------------|
+|                         Created by Erik Arvidsson                           |
+|                  (http://webfx.eae.net/contact.html#erik)                   |
+|                      For WebFX (http://webfx.eae.net/)                      |
+|-----------------------------------------------------------------------------|
+| Used to  model the data  used  when working  with  sliders,  scrollbars and |
+| progress bars.  Based  on  the  ideas of  the javax.swing.BoundedRangeModel |
+| interface  defined  by  Sun  for  Java;   http://java.sun.com/products/jfc/ |
+| swingdoc-api-1.0.3/com/sun/java/swing/BoundedRangeModel.html                |
+|-----------------------------------------------------------------------------|
+|                Copyright (c) 2002, 2005, 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.                                                          |
+|-----------------------------------------------------------------------------|
+| 2002-10-14 | Original version released                                      |
+| 2005-10-27 | Use Math.round instead of Math.floor                           |
+| 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 |
+\----------------------------------------------------------------------------*/
+
+
+function Range() {
+	this._value = 0;
+	this._minimum = 0;
+	this._maximum = 100;
+	this._extent = 0;
+
+	this._isChanging = false;
+}
+
+Range.prototype.setValue = function (value) {
+	value = Math.round(parseFloat(value));
+	if (isNaN(value)) return;
+	if (this._value != value) {
+		if (value + this._extent > this._maximum)
+			this._value = this._maximum - this._extent;
+		else if (value < this._minimum)
+			this._value = this._minimum;
+		else
+			this._value = value;
+		if (!this._isChanging && typeof this.onchange == "function")
+			 this.onchange();
+	}
+};
+
+Range.prototype.getValue = function () {
+	return this._value;
+};
+
+Range.prototype.setExtent = function (extent) {
+	if (this._extent != extent) {
+		if (extent < 0)
+			this._extent = 0;
+		else if (this._value + extent > this._maximum)
+			this._extent = this._maximum - this._value;
+		else
+			this._extent = extent;
+		if (!this._isChanging && typeof this.onchange == "function")
+			this.onchange();
+	}
+};
+
+Range.prototype.getExtent = function () {
+	return this._extent;
+};
+
+Range.prototype.setMinimum = function (minimum) {
+	if (this._minimum != minimum) {
+		var oldIsChanging = this._isChanging;
+		this._isChanging = true;
+
+		this._minimum = minimum;
+
+		if (minimum > this._value)
+			this.setValue(minimum);
+		if (minimum > this._maximum) {
+			this._extent = 0;
+			this.setMaximum(minimum);
+			this.setValue(minimum)
+		}
+		if (minimum + this._extent > this._maximum)
+			this._extent = this._maximum - this._minimum;
+
+		this._isChanging = oldIsChanging;
+		if (!this._isChanging && typeof this.onchange == "function")
+			this.onchange();
+	}
+};
+
+Range.prototype.getMinimum = function () {
+	return this._minimum;
+};
+
+Range.prototype.setMaximum = function (maximum) {
+	if (this._maximum != maximum) {
+		var oldIsChanging = this._isChanging;
+		this._isChanging = true;
+
+		this._maximum = maximum;
+
+		if (maximum < this._value)
+			this.setValue(maximum - this._extent);
+		if (maximum < this._minimum) {
+			this._extent = 0;
+			this.setMinimum(maximum);
+			this.setValue(this._maximum);
+		}
+		if (maximum < this._minimum + this._extent)
+			this._extent = this._maximum - this._minimum;
+		if (maximum < this._value + this._extent)
+			this._extent = this._maximum - this._value;
+
+		this._isChanging = oldIsChanging;
+		if (!this._isChanging && typeof this.onchange == "function")
+			this.onchange();
+	}
+};
+
+Range.prototype.getMaximum = function () {
+	return this._maximum;
+};
-- 
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