|| ################################################################### ||
\*=====================================================================*/
+// ###################################################################
+// flip data
+
+function showPrefs()
+{
+ var front = document.getElementById("front");
+ var back = document.getElementById("back");
+
+ if (window.widget)
+ widget.prepareForTransition("ToBack"); // freezes the widget so that you can change it without the user noticing
+
+ front.style.display="none"; // hide the front
+ back.style.display="block"; // show the back
+
+ if (window.widget)
+ setTimeout ('widget.performTransition();', 0); // and flip the widget over
+
+ document.getElementById('fliprollie').style.display = 'none'; // clean up the front side - hide the circle behind the info button
+
+}
+
+
+// hidePrefs() is called by the done button on the back side of the widget. It performs the opposite transition
+// as showPrefs() does.
+
+function hidePrefs()
+{
+ var front = document.getElementById("front");
+ var back = document.getElementById("back");
+
+ if (window.widget)
+ widget.prepareForTransition("ToFront"); // freezes the widget and prepares it for the flip back to the front
+
+ back.style.display="none"; // hide the back
+ front.style.display="block"; // show the front
+
+ if (window.widget)
+ setTimeout ('widget.performTransition();', 0); // and flip the widget back to the front
+}
+
+
+
+
+
+// PREFERENCE BUTTON ANIMATION (- the pref flipper fade in/out)
+
+var flipShown = false; // a flag used to signify if the flipper is currently shown or not.
+
+
+// A structure that holds information that is needed for the animation to run.
+var animation = {duration:0, starttime:0, to:1.0, now:0.0, from:0.0, firstElement:null, timer:null};
+
+
+// mousemove() is the event handle assigned to the onmousemove property on the front div of the widget.
+// It is triggered whenever a mouse is moved within the bounds of your widget. It prepares the
+// preference flipper fade and then calls animate() to performs the animation.
+
+function mousemove (event)
+{
+ if (!flipShown) // if the preferences flipper is not already showing...
+ {
+ if (animation.timer != null) // reset the animation timer value, in case a value was left behind
+ {
+ clearInterval (animation.timer);
+ animation.timer = null;
+ }
+
+ var starttime = (new Date).getTime() - 13; // set it back one frame
+
+ animation.duration = 500; // animation time, in ms
+ animation.starttime = starttime; // specify the start time
+ animation.firstElement = document.getElementById ('flip'); // specify the element to fade
+ animation.timer = setInterval ("animate();", 13); // set the animation function
+ animation.from = animation.now; // beginning opacity (not ness. 0)
+ animation.to = 1.0; // final opacity
+ animate(); // begin animation
+ flipShown = true; // mark the flipper as animated
+ }
+}
+
+// mouseexit() is the opposite of mousemove() in that it preps the preferences flipper
+// to disappear. It adds the appropriate values to the animation data structure and sets the animation in motion.
+
+function mouseexit (event)
+{
+ if (flipShown)
+ {
+ // fade in the flip widget
+ if (animation.timer != null)
+ {
+ clearInterval (animation.timer);
+ animation.timer = null;
+ }
+
+ var starttime = (new Date).getTime() - 13;
+
+ animation.duration = 500;
+ animation.starttime = starttime;
+ animation.firstElement = document.getElementById ('flip');
+ animation.timer = setInterval ("animate();", 13);
+ animation.from = animation.now;
+ animation.to = 0.0;
+ animate();
+ flipShown = false;
+ }
+}
+
+
+// animate() performs the fade animation for the preferences flipper. It uses the opacity CSS property to simulate a fade.
+
+function animate()
+{
+ var T;
+ var ease;
+ var time = (new Date).getTime();
+
+
+ T = limit_3(time-animation.starttime, 0, animation.duration);
+
+ if (T >= animation.duration)
+ {
+ clearInterval (animation.timer);
+ animation.timer = null;
+ animation.now = animation.to;
+ }
+ else
+ {
+ ease = 0.5 - (0.5 * Math.cos(Math.PI * T / animation.duration));
+ animation.now = computeNextFloat (animation.from, animation.to, ease);
+ }
+
+ animation.firstElement.style.opacity = animation.now;
+}
+
+
+// these functions are utilities used by animate()
+
+function limit_3 (a, b, c)
+{
+ return a < b ? b : (a > c ? c : a);
+}
+
+function computeNextFloat (from, to, ease)
+{
+ return from + (to - from) * ease;
+}
+
+// these functions are called when the info button itself receives onmouseover and onmouseout events
+
+function enterflip(event)
+{
+ document.getElementById('fliprollie').style.display = 'block';
+}
+
+function exitflip(event)
+{
+ document.getElementById('fliprollie').style.display = 'none';
+}
/*=====================================================================*\
|| ###################################################################
https://src.bluestatic.org / rgbconverter.git / commitdiff