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angular.module('ionic-pullup', [])
.constant('ionPullUpFooterState', {
COLLAPSED: 'COLLAPSED',
MINIMIZED: 'MINIMIZED',
EXPANDED: 'EXPANDED'
})
.constant('ionPullUpFooterBehavior', {
HIDE: 'HIDE',
EXPAND: 'EXPAND'
})
.directive('ionPullUpFooter', ['$timeout', '$rootScope', '$window', function($timeout, $rootScope, $window) {
return {
restrict: 'AE',
scope: {
onExpand: '&',
onCollapse: '&',
onMinimize: '&'
},
controller: ['$scope', '$element', '$attrs', 'ionPullUpFooterState', 'ionPullUpFooterBehavior', function($scope, $element, $attrs, FooterState, FooterBehavior) {
var
tabs = document.querySelector('.tabs'),
hasBottomTabs = document.querySelector('.tabs-bottom'),
header = document.querySelector('.bar-header'),
tabsHeight = tabs ? tabs.offsetHeight : 0,
headerHeight = header ? header.offsetHeight : 0,
handleHeight = 0,
footer = {
height: 0,
posY: 0,
lastPosY: 0,
state: FooterState.COLLAPSED,
defaultHeight : $element[0].offsetHeight,
maxHeight: parseInt($attrs.maxHeight, 10) || 0,
initialState: $attrs.initialState ? $attrs.initialState.toUpperCase() : FooterState.COLLAPSED,
defaultBehavior: $attrs.defaultBehavior ? $attrs.defaultBehavior.toUpperCase() : FooterBehavior.EXPAND
};
function init() {
$element.css({'-webkit-backface-visibility': 'hidden', 'backface-visibility': 'hidden', 'transition': '300ms ease-in-out', 'padding': 0});
if (tabs && hasBottomTabs) {
$element.css('bottom', tabs.offsetHeight + 'px');
}
}
function computeHeights() {
footer.height = footer.maxHeight > 0 ? footer.maxHeight : $window.innerHeight - headerHeight - handleHeight - tabsHeight;
$element.css({'height': footer.height + 'px'});
if (footer.initialState == FooterState.MINIMIZED) {
minimize();
} else {
collapse();
}
}
function expand() {
footer.lastPosY = 0;
$element.css({'-webkit-transform': 'translate3d(0, 0, 0)', 'transform': 'translate3d(0, 0, 0)'});
$scope.onExpand();
footer.state = FooterState.EXPANDED;
}
function collapse() {
footer.lastPosY = (tabs && hasBottomTabs) ? footer.height - tabsHeight : footer.height - footer.defaultHeight;
$element.css({'-webkit-transform': 'translate3d(0, ' + footer.lastPosY + 'px, 0)', 'transform': 'translate3d(0, ' + footer.lastPosY + 'px, 0)'});
$scope.onCollapse();
footer.state = FooterState.COLLAPSED
}
function minimize() {
footer.lastPosY = footer.height;
$element.css({'-webkit-transform': 'translate3d(0, ' + footer.lastPosY + 'px, 0)', 'transform': 'translate3d(0, ' + footer.lastPosY + 'px, 0)'});
$scope.onMinimize();
footer.state = FooterState.MINIMIZED;
}
this.setHandleHeight = function(height) {
handleHeight = height;
computeHeights();
};
this.getHeight = function() {
return $element[0].offsetHeight;
};
this.getBackground = function() {
return $window.getComputedStyle($element[0]).background;
};
this.onTap = function(e) {
e.gesture.srcEvent.preventDefault();
e.gesture.preventDefault();
if (footer.state == FooterState.COLLAPSED) {
if (footer.defaultBehavior == FooterBehavior.HIDE) {
minimize();
} else {
expand();
}
} else {
if (footer.state == FooterState.MINIMIZED) {
if (footer.defaultBehavior == FooterBehavior.HIDE)
collapse();
else
expand();
} else {
// footer is expanded
footer.initialState == FooterState.MINIMIZED ? minimize() : collapse();
}
}
$rootScope.$broadcast('ionPullUp:tap', footer.state);
};
this.onDrag = function(e) {
e.gesture.srcEvent.preventDefault();
e.gesture.preventDefault();
switch (e.type) {
case 'dragstart':
$element.css('transition', 'none');
break;
case 'drag':
footer.posY = Math.round(e.gesture.deltaY) + footer.lastPosY;
if (footer.posY < 0 || footer.posY > footer.height) return;
$element.css({'-webkit-transform': 'translate3d(0, ' + footer.posY + 'px, 0)', 'transform': 'translate3d(0, ' + footer.posY + 'px, 0)'});
break;
case 'dragend':
$element.css({'transition': '300ms ease-in-out'});
footer.lastPosY = footer.posY;
break;
}
};
$window.addEventListener('orientationchange', function() {
$timeout(function() {
computeHeights();
}, 500);
});
init();
}],
compile: function(element, attrs) {
attrs.defaultHeight && element.css('height', parseInt(attrs.defaultHeight, 10) + 'px');
element.addClass('bar bar-footer');
}
}
}])
.directive('ionPullUpContent', [function() {
return {
restrict: 'AE',
require: '^ionPullUpFooter',
link: function (scope, element, attrs, controller) {
var
footerHeight = controller.getHeight();
element.css({'display': 'block', 'margin-top': footerHeight + 'px', width: '100%'});
// add scrolling if needed
if (attrs.scroll && attrs.scroll.toUpperCase() == 'TRUE') {
element.css({'overflow-y': 'scroll', 'overflow-x': 'hidden'});
}
}
}
}])
.directive('ionPullUpBar', [function() {
return {
restrict: 'AE',
require: '^ionPullUpFooter',
link: function (scope, element, attrs, controller) {
var
footerHeight = controller.getHeight();
element.css({'display': 'flex', 'height': footerHeight + 'px', position: 'absolute', right: '0', left: '0'});
}
}
}])
.directive('ionPullUpTrigger', ['$ionicGesture', function($ionicGesture) {
return {
restrict: 'AE',
require: '^ionPullUpFooter',
link: function (scope, element, attrs, controller) {
// add gesture
$ionicGesture.on('tap', controller.onTap, element);
$ionicGesture.on('drag dragstart dragend', controller.onDrag, element);
}
}
}])
.directive('ionPullUpHandle', ['$ionicGesture', '$timeout', '$window', function($ionicGesture, $timeout, $window) {
return {
restrict: 'AE',
require: '^ionPullUpFooter',
link: function (scope, element, attrs, controller) {
var height = parseInt(attrs.height,10) || 25, width = parseInt(attrs.width, 10) || 100,
background = controller.getBackground(),
toggleClasses = attrs.toggle;
controller.setHandleHeight(height);
element.css({
display: 'block',
background: background,
position: 'absolute',
top: 1-height + 'px',
left: (($window.innerWidth - width) / 2) + 'px',
height: height + 'px',
width: width + 'px',
//margin: '0 auto',
'text-align': 'center'
});
// add gesture
$ionicGesture.on('tap', controller.onTap, element);
$ionicGesture.on('drag dragstart dragend', controller.onDrag, element);
scope.$on('ionPullUp:tap', function() {
element.find('i').toggleClass(toggleClasses);
});
$window.addEventListener('orientationchange', function() {
$timeout(function() {
element.css('left', (($window.innerWidth - width) / 2) + 'px');
}, 500);
});
}
}
}]);
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