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import Ember from 'ember';
let resizing = false;
let dragging = false;
function updatePosition(component) {
const targetElement = component.get('targetElement');
if(targetElement) {
const infoWindowHeight = component.element.offsetHeight;
const targetElementHeight = targetElement.offsetHeight;
const parent = targetElement.parentNode;//<td> element
const containerElement = document.querySelector("#" + component.get('containerElementId'));
//getBoundingClientRect() returns the smallest rectangle which contains
//the entire element, with read-only left, top, right, bottom, x, y, width,
//and height properties describing the overall border-box in pixels. Properties
//other than width and height are relative to the top-left of the *viewport*.
const targetTopViewport = targetElement.getBoundingClientRect().top;
let containerTopViewport;
if (containerElement) {
containerTopViewport = containerElement.getBoundingClientRect().top;
} else {
containerTopViewport = 0;
}
let infoWindowTop;
if(targetTopViewport < infoWindowHeight + containerTopViewport) {
//offsetTop is the number of pixels from the top of the closest relatively
//positioned parent element.
infoWindowTop = targetElement.offsetTop + parent.offsetTop
+ targetElementHeight + 10 + "px";
} else {
infoWindowTop = targetElement.offsetTop + parent.offsetTop
- infoWindowHeight + "px";
}
const infoWindowLeft = targetElement.offsetLeft + parent.offsetLeft + "px";
component.$().css({
top:infoWindowTop,
left:infoWindowLeft
});
} else {
component.set('isPinned',false);
}
}
export default Ember.Component.extend({
classNames : ["info-window-container"],
attributeBindings: ['hidden'],
isPinned : false,
isFocused: false,
didInsertElement () {
const component = this;
const $headerElement = Ember.$(component.element.querySelector(".info-window-header"));
const $contentElement = Ember.$(component.element.querySelector(".info-window-content"));
const $infoWindowElement = Ember.$(component.element.querySelector(".info-window"));
const $infoWindowContainerElement = Ember.$(component.element);
this.$headerElement = $headerElement;
this.$contentElement = $contentElement;
this.$().resizable({
handles: "n,w",
minHeight: 80,
minWidth: 400,
start: function() {
resizing = true;
},
stop: function() {
resizing = false;
},
resize : function() {
const containerHeight = $infoWindowContainerElement.height();
$infoWindowElement.css({
"height": containerHeight + 2 + "px"
});
$contentElement.css({
"max-height":(containerHeight - $headerElement.outerHeight(true)) + "px"
});
}
});
this.$().draggable({
containment:"#" + this.get('containerElementId'),
handle: $headerElement,
start: function() {
dragging = true;
},
stop: function() {
dragging = false;
}
});
},
mouseEnter () {
if(!this.get('hasSelectedExpression')) {
this.set('isFocused',true);
}
},
mouseLeave (event) {
//Workaround for a bug in Chrome
const element = document.elementFromPoint(event.clientX,event.clientY);
if(element && element.classList.contains('link')) {
return;
}
if(!resizing
&& !dragging
&& !this.get('isPinned')
&& !this.get('hasSelectedExpression')) {
this.set('isFocused',false);
}
},
hidden : Ember.computed('isHoveredOverIdentifier',
'isFocused',
'hasSelectedExpression',
'isPinned', function() {
if (this.$contentElement) {
this.$contentElement.scrollTop(0);
}
if (this.get('isPinned')
|| this.get('isFocused')
|| this.get('isHoveredOverIdentifier')
|| this.get('hasSelectedExpression')) {
return false;
} else {
return true;
}
}),
didUpdate() {
updatePosition(this);
},
actions : {
close() {
this.set('isPinned',false);
this.set('isFocused',false);
this.set('hasSelectedExpression',false);
},
pin() {
this.toggleProperty('isPinned');
}
}
});
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