Initial patch.

[vuplus_webkit] / Websites / webkit.org / demos / calendar / Utilities.js

diff --git a/Websites/webkit.org/demos/calendar/Utilities.js b/Websites/webkit.org/demos/calendar/Utilities.js
new file mode 100644 (file)
index 0000000..30b4e10
--- /dev/null
+++ b/Websites/webkit.org/demos/calendar/Utilities.js
@@ -0,0 +1,134 @@
+// Element extension --------------------------------------------------------------
+
+Element.prototype.removeStyleClass = function(className) 
+{
+    // Test for the simple case before using a RegExp.
+    if (this.className === className) {
+        this.className = "";
+        return;
+    }
+
+    var regex = new RegExp("(^|\\s+)" + className.escapeForRegExp() + "($|\\s+)");
+    if (regex.test(this.className))
+        this.className = this.className.replace(regex, " ");
+}
+
+Element.prototype.addStyleClass = function(className) 
+{
+    if (className && !this.hasStyleClass(className))
+        this.className += (this.className.length ? " " + className : className);
+}
+
+Element.prototype.hasStyleClass = function(className) 
+{
+    if (!className)
+        return false;
+    // Test for the simple case before using a RegExp.
+    if (this.className === className)
+        return true;
+    var regex = new RegExp("(^|\\s)" + className.escapeForRegExp() + "($|\\s)");
+    return regex.test(this.className);
+}
+
+Element.prototype.removeChildren = function()
+{
+    while (this.firstChild) 
+        this.removeChild(this.firstChild);        
+}
+
+Element.prototype.findParentOfTagName = function(tagName)
+{
+    var parent = this;
+    while (parent) {
+        if (parent.tagName == tagName)
+            return parent;
+        parent = parent.parentNode;
+    }
+    return null;
+}
+
+Element.prototype.__defineGetter__("totalOffsetLeft", function()
+{
+    var total = 0;
+    for (var element = this; element; element = element.offsetParent)
+        total += element.offsetLeft;
+    return total;
+});
+
+Element.prototype.__defineGetter__("totalOffsetTop", function()
+{
+    var total = 0;
+    for (var element = this; element; element = element.offsetParent)
+        total += element.offsetTop;
+    return total;
+});
+
+// String extension ------------------------------------------------------
+
+String.prototype.hasSubstring = function(string, caseInsensitive)
+{
+    if (!caseInsensitive)
+        return this.indexOf(string) !== -1;
+    return this.match(new RegExp(string.escapeForRegExp(), "i"));
+}
+
+String.prototype.escapeCharacters = function(chars)
+{
+    var foundChar = false;
+    for (var i = 0; i < chars.length; ++i) {
+        if (this.indexOf(chars.charAt(i)) !== -1) {
+            foundChar = true;
+            break;
+        }
+    }
+
+    if (!foundChar)
+        return this;
+
+    var result = "";
+    for (var i = 0; i < this.length; ++i) {
+        if (chars.indexOf(this.charAt(i)) !== -1)
+            result += "\\";
+        result += this.charAt(i);
+    }
+
+    return result;
+}
+
+String.prototype.escapeForRegExp = function()
+{
+    return this.escapeCharacters("^[]{}()\\.$*+?|");
+}
+
+// Number extension ------------------------------------------------------
+
+Number.constrain = function(num, min, max)
+{
+    if (num < min)
+        num = min;
+    else if (num > max)
+        num = max;
+    return num;
+}
+
+// Date extension --------------------------------------------------------
+
+Date.prototype.isToday = function()
+{
+    var today = new Date();
+    return (today.getFullYear() == this.getFullYear() && today.getMonth() == this.getMonth() && today.getDate() == this.getDate());    
+}
+
+Date.prototype.roundToHour = function() {
+    if (this.getMinutes() == 0)
+        return; // Already rounded to the hour
+    if (this.getHours() < 23)
+        this.setHours(this.getHours() + 1);
+    this.setMinutes(0);
+}
+
+Date.dayDateFromTime = function(time) {
+    var date = new Date(time);
+    date.setHours(0, 0, 0, 0);
+    return date;
+}