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Diffstat (limited to 'webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js')
-rw-r--r-- | webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js new file mode 100644 index 0000000000..00b8971411 --- /dev/null +++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js @@ -0,0 +1,225 @@ +/* ************************************************************************ + + qooxdoo - the new era of web development + + http://qooxdoo.org + + Copyright: + 2004-2007 1&1 Internet AG, Germany, http://www.1and1.org + + License: + LGPL: http://www.gnu.org/licenses/lgpl.html + EPL: http://www.eclipse.org/org/documents/epl-v10.php + See the LICENSE file in the project's top-level directory for details. + + Authors: + * Sebastian Werner (wpbasti) + * Andreas Ecker (ecker) + +************************************************************************ */ + +/* ************************************************************************ + + +************************************************************************ */ + +/** + * Collection of methods to compare two values. + */ +qx.OO.defineClass("qx.util.Compare"); + + +/** + * Compare two Strings + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byString = function(a, b) { + return a==b ? 0 : a > b ? 1 : -1; +}; + + +/** + * Compare two Strings ignoring the letter case. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ + +qx.util.Compare.byStringCaseInsensitive = function(a, b) { + return qx.util.Compare.byString(a.toLowerCase(), b.toLowerCase()); +}; + + +/** + * Compare two Strings but first convert umlauts to an ascii character. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byStringUmlautsShort = function(a, b) { + return qx.util.Compare.byString(qx.util.Normalization.umlautsShort(a), qx.util.Normalization.umlautsShort(b)); +}; + + +/** + * Compare two Strings but first convert umlauts to an ascii character and ignore letter case. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byStringUmlautsShortCaseInsensitive = function(a, b) { + return qx.util.Compare.byString(qx.util.Normalization.umlautsShort(a).toLowerCase(), qx.util.Normalization.umlautsShort(b).toLowerCase()); +}; + + +/** + * Compare two Strings but first convert umlauts to ascii characters. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byStringUmlautsLong = function(a, b) { + return qx.util.Compare.byString(qx.util.Normalization.umlautsLong(a), qx.util.Normalization.umlautsLong(b)); +}; + + +/** + * Compare two Strings but first convert umlauts to ascii characters and ignore letter case. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byStringUmlautsLongCaseInsensitive = function(a, b) { + return qx.util.Compare.byString(qx.util.Normalization.umlautsLong(a).toLowerCase(), qx.util.Normalization.umlautsLong(b).toLowerCase()); +}; + + +/** + * Compare two Float numbers. + * + * @param a {Float} first value + * @param b {Float} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byFloat = function(a, b) { + return a - b; +}; + +qx.util.Compare.byInteger = qx.util.Compare.byNumber = qx.util.Compare.byFloat; + + +/** + * Compare two Strings representing integers. First convert the strings to an interger. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byIntegerString = function(a, b) { + return parseInt(a) - parseInt(b); +}; + + +/** + * Compare two Strings representing floats. First convert the strings to an float. + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byFloatString = function(a, b) { + return parseFloat(a) - parseFloat(b); +}; + +qx.util.Compare.byNumberString = qx.util.Compare.byFloatString; + + +/** + * Compare two Strings representing IPv4 adresses. + * Example: "192.168.1.2" + * + * @param a {String} first value + * @param b {String} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byIPv4 = function(a, b) +{ + var ipa = a.split(".", 4); + var ipb = b.split(".", 4); + + for (var i=0; i<3; i++) + { + a = parseInt(ipa[i]); + b = parseInt(ipb[i]); + + if (a != b) { + return a - b; + } + } + + return parseInt(ipa[3]) - parseInt(ipb[3]); +}; + + +/** + * Compare the zIndex property of two widgets. + * + * @param a {qx.ui.core.Widget} first value + * @param b {qx.ui.core.Widget} second value + * + * @return {Number} + * 0 if both values are equal + * a number > 0 if the first value if greater than the second one + * a value < 0 otherwise + */ +qx.util.Compare.byZIndex = function(a, b) { + return a.getZIndex() - b.getZIndex(); +}; |