diff options
| author | Andreas Unterkircher <unki@netshadow.at> | 2007-07-22 10:09:14 +0000 |
|---|---|---|
| committer | Andreas Unterkircher <unki@netshadow.at> | 2007-07-22 10:09:14 +0000 |
| commit | d989420a0c316a8c1f9a643418669496f807094b (patch) | |
| tree | 80a484fa29156959d2c794311ef268654725ccf2 /slider/js/range.js | |
| parent | fd60c69466028220a85533ba9e1abededfaf1e95 (diff) | |
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
Diffstat (limited to 'slider/js/range.js')
| -rw-r--r-- | slider/js/range.js | 132 |
1 files changed, 132 insertions, 0 deletions
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;
+};
|