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starting simple

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Adam Bradley
2013-09-24 11:05:34 -05:00
parent 52e4a212f2
commit 5a3c2612de
4 changed files with 34 additions and 198 deletions
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193
js/controllers/toggleController.js
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@ -1,193 +0,0 @@
(function(ionic) {
ionic.controllers = ionic.controllers || {};
ionic.controllers.SideMenuController = function(options) {
var _this = this;
this.left = options.left;
this.right = options.right;
this.content = options.content;
this._rightShowing = false;
this._leftShowing = false;
this.content.onDrag = function(e) {
_this._handleDrag(e);
};
this.content.endDrag = function(e) {
_this._endDrag(e);
};
/*
// Bind release and drag listeners
window.ion.onGesture('release', function(e) {
_this._endDrag(e);
}, this.center);
window.ion.onGesture('drag', function(e) {
_this._handleDrag(e);
}, this.center);
*/
};
ionic.controllers.SideMenuController.prototype = {
toggleLeft: function() {
var openAmount = this.getOpenAmount();
if(openAmount > 0) {
this.openPercentage(0);
} else {
this.openPercentage(100);
}
},
toggleRight: function() {
var openAmount = this.getOpenAmount();
if(openAmount < 0) {
this.openPercentage(0);
} else {
this.openPercentage(-100);
}
},
getOpenAmount: function() {
return this.content.getTranslateX() || 0;
},
getOpenRatio: function() {
var amount = this.getOpenAmount();
if(amount >= 0) {
return amount / this.left.width;
}
return amount / this.right.width;
},
getOpenPercentage: function() {
return this.getOpenRatio() * 100;
},
openPercentage: function(percentage) {
var p = percentage / 100;
var maxLeft = this.left.width;
var maxRight = this.right.width;
if(percentage >= 0) {
this.openAmount(maxLeft * p);
} else {
this.openAmount(maxRight * p);
}
},
openAmount: function(amount) {
var maxLeft = this.left.width;
var maxRight = this.right.width;
// Check if we can move to that side, depending if the left/right panel is enabled
if((!this.left.isEnabled && amount > 0) || (!this.right.isEnabled && amount < 0)) {
return;
}
if((this._leftShowing && amount > maxLeft) || (this._rightShowing && amount < -maxRight)) {
return;
}
this.content.setTranslateX(amount);
if(amount >= 0) {
this._leftShowing = true;
this._rightShowing = false;
// Push the z-index of the right menu down
this.right.pushDown();
// Bring the z-index of the left menu up
this.left.bringUp();
} else {
this._rightShowing = true;
this._leftShowing = false;
// Bring the z-index of the right menu up
this.right.bringUp();
// Push the z-index of the left menu down
this.left.pushDown();
}
},
snapToRest: function(e) {
// We want to animate at the end of this
this.content.enableAnimation();
this._isDragging = false;
// Check how much the panel is open after the drag, and
// what the drag velocity is
var ratio = this.getOpenRatio();
if(ratio == 0)
return;
var velocityThreshold = 0.3;
var velocityX = e.gesture.velocityX
var direction = e.gesture.direction;
// Less than half, going left
//if(ratio > 0 && ratio < 0.5 && direction == 'left' && velocityX < velocityThreshold) {
//this.openPercentage(0);
//}
// Going right, less than half, too slow (snap back)
if(ratio > 0 && ratio < 0.5 && direction == 'right' && velocityX < velocityThreshold) {
this.openPercentage(0);
}
// Going left, more than half, too slow (snap back)
else if(ratio > 0.5 && direction == 'left' && velocityX < velocityThreshold) {
this.openPercentage(100);
}
// Going left, less than half, too slow (snap back)
else if(ratio < 0 && ratio > -0.5 && direction == 'left' && velocityX < velocityThreshold) {
this.openPercentage(0);
}
// Going right, more than half, too slow (snap back)
else if(ratio < 0.5 && direction == 'right' && velocityX < velocityThreshold) {
this.openPercentage(-100);
}
// Going right, more than half, or quickly (snap open)
else if(direction == 'right' && ratio >= 0 && (ratio >= 0.5 || velocityX > velocityThreshold)) {
this.openPercentage(100);
}
// Going left, more than half, or quickly (span open)
else if(direction == 'left' && ratio <= 0 && (ratio <= -0.5 || velocityX > velocityThreshold)) {
this.openPercentage(-100);
}
// Snap back for safety
else {
this.openPercentage(0);
}
},
_endDrag: function(e) {
this.snapToRest(e);
},
_initDrag: function(e) {
this.content.disableAnimation();
this._isDragging = true;
this._startX = 0;
this._offsetX = 0;
this._lastX = 0;
},
_handleDrag: function(e) {
if(!this._isDragging) {
this._initDrag(e);
this._startX = e.gesture.touches[0].pageX;
this._lastX = this._startX;
this._offsetX = this.getOpenAmount();
}
//console.log('Dragging page', this._startX, this._lastX, this._offsetX, e);
var newX = this._offsetX + (this._lastX - this._startX);
this.openAmount(newX);
this._lastX = e.gesture.touches[0].pageX;
}
};
})(ionic = window.ionic || {});