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* Tweaked scroll animations

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* Added animations to pgup/pgdn goto start/end of document
This commit is contained in:
Ruben Daniels 2012-04-22 15:16:52 -07:00
commit ac70ecc005
2 changed files with 56 additions and 31 deletions
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15
lib/ace/virtual_renderer.js
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@ -733,16 +733,14 @@ var VirtualRenderer = function(container, theme) {
this.session.setScrollTop(row * this.lineHeight);
};
this.STEPS = 10;
this.STEPS = 7;
this.$calcSteps = function(fromValue, toValue){
var i = 0;
var l = this.STEPS;
var steps = [];
var func = function(t, x_min, dx) {
if ((t /= .5) < 1)
return dx / 2 * Math.pow(t, 3) + x_min;
return dx / 2 * (Math.pow(t - 2, 3) + 2) + x_min;
return dx * (Math.pow(t - 1, 3) + 1) + x_min;
};
for (i = 0; i < l; ++i)
@ -752,13 +750,14 @@ var VirtualRenderer = function(container, theme) {
return steps;
};
this.scrollToLine = function(line, center) {
this.scrollToLine = function(line, center, animate, callback) {
var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});
var offset = pos.top;
if (center)
offset -= this.$size.scrollerHeight / 2;
if (this.$animatedScroll && Math.abs(offset - this.scrollTop) < 100000) {
if (animate !== false
&& this.$animatedScroll && Math.abs(offset - this.scrollTop) < 100000) {
var _self = this;
var steps = _self.$calcSteps(this.scrollTop, offset);
@ -766,8 +765,10 @@ var VirtualRenderer = function(container, theme) {
this.$timer = setInterval(function() {
_self.session.setScrollTop(steps.shift());
if (!steps.length)
if (!steps.length) {
callback && callback();
clearInterval(_self.$timer);
}
}, 10);
}
else {