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;(function() {
"use strict";
BX.namespace("BX.Landing.UI.Panel");
var addClass = BX.Landing.Utils.addClass;
var removeClass = BX.Landing.Utils.removeClass;
/**
* Implements interface for works with content panel
* Panel contains scrollable sidebar and body area, also fixed footer and header
*
* @extends {BX.Landing.UI.Panel.BasePanel}
*
* @param {string} id - Panel id
* @param {{
* [title]: ?string,
* [subTitle]: string,
* [footer]: ?BX.Landing.UI.Button.BaseButton[]|HTMLElement[],
* [className]: string
* }} [data]
* @constructor
*/
BX.Landing.UI.Panel.Content = function(id, data)
{
BX.Landing.UI.Panel.BasePanel.apply(this, arguments);
this.layout.classList.remove("landing-ui-hide");
this.data = Object.freeze(BX.type.isPlainObject(data) ? data : {});
this.layout.classList.add("landing-ui-panel-content");
this.overlay = BX.Landing.UI.Panel.Content.createOverlay();
this.overlay.classList.add(this.classHide);
this.header = BX.Landing.UI.Panel.Content.createHeader();
this.title = BX.Landing.UI.Panel.Content.createTitle();
this.body = BX.Landing.UI.Panel.Content.createBody();
this.footer = BX.Landing.UI.Panel.Content.createFooter();
this.sidebar = BX.Landing.UI.Panel.Content.createSidebar();
this.content = BX.Landing.UI.Panel.Content.createContent();
this.scrollTarget = this.content;
this.forms = new BX.Landing.UI.Collection.FormCollection();
this.buttons = new BX.Landing.UI.Collection.ButtonCollection();
this.sidebarButtons = new BX.Landing.UI.Collection.ButtonCollection();
this.closeButton = new BX.Landing.UI.Button.BaseButton("close", {
className: "landing-ui-panel-content-close",
onClick: this.hide.bind(this),
attrs: {title: BX.Landing.Loc.getMessage("LANDING_TITLE_OF_SLIDER_CLOSE")}
});
this.shouldAdjustTopPanelControls = (
this.shouldAdjustTopPanelControls !== false
&& BX.Landing.Env.getInstance().getType() !== 'EXTERNAL'
);
if (!!data && typeof data.className === "string")
{
this.layout.classList.add(data.className);
this.overlay.classList.add(data.className+"-overlay");
}
this.header.appendChild(this.title);
if (!!data && typeof data.subTitle === "string" && !!data.subTitle)
{
this.subTitle = BX.create("div", {
props: {className: "landing-ui-panel-content-subtitle"},
html: data.subTitle
});
this.header.appendChild(this.subTitle);
this.layout.classList.add("landing-ui-panel-content-with-subtitle");
}
this.body.appendChild(this.sidebar);
this.body.appendChild(this.content);
this.layout.appendChild(this.header);
this.layout.appendChild(this.body);
this.layout.appendChild(this.footer);
this.layout.appendChild(this.closeButton.layout);
if (typeof window.onwheel !== "undefined")
{
this.wheelEventName = "wheel";
}
else if (typeof window.onmousewheel !== "undefined")
{
this.wheelEventName = "mousewheel";
}
this.init();
var rootWindow = BX.Landing.PageObject.getRootWindow();
rootWindow.addEventListener("keydown", this.onKeydown.bind(this));
BX.Landing.PageObject.getInstance().view().then(function(frame) {
void (!!frame && frame.contentWindow.addEventListener("keydown", this.onKeydown.bind(this)));
}.bind(this), console.warn);
if (this.data.scrollAnimation)
{
this.scrollObserver = new IntersectionObserver(this.onIntersecting.bind(this));
}
};
/**
* Creates overlay
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createOverlay = function()
{
return BX.create("div", {
props: {className: "landing-ui-panel-content-overlay landing-ui-hide"},
attrs: {
"data-is-shown": "false",
"hidden": true
}
});
};
/**
* Creates header
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createHeader = function()
{
return BX.create("div", {
props: {
className: [
"landing-ui-panel-content-element",
"landing-ui-panel-content-header"
].join(" ")
}
});
};
/**
* Creates title
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createTitle = function()
{
return BX.create("div", {
props: {className: "landing-ui-panel-content-title"}
});
};
/**
* Creates body
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createBody = function()
{
return BX.create("div", {
props: {
className: [
"landing-ui-panel-content-element",
"landing-ui-panel-content-body"
].join(" ")
}
});
};
/**
* Creates sidebar
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createSidebar = function()
{
return BX.create("div", {
props: {className: "landing-ui-panel-content-body-sidebar"}
});
};
/**
* Creates content
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createContent = function()
{
return BX.create("div", {
props: {className: "landing-ui-panel-content-body-content"}
});
};
/**
* Creates footer
* @static
* @return {HTMLElement}
*/
BX.Landing.UI.Panel.Content.createFooter = function()
{
return BX.create("div", {
props: {
className: [
"landing-ui-panel-content-element",
"landing-ui-panel-content-footer"
].join(" ")
}
});
};
/**
* Makes transition duration value in milliseconds
* @static
* @param {int} diff - Absolute difference between the start and end value
* @return {number}
*/
BX.Landing.UI.Panel.Content.calculateTransitionDuration = function(diff)
{
var defaultDuration = 300;
diff = parseInt(diff);
diff = diff === diff ? diff : 0;
return Math.min((400/500) * diff, defaultDuration);
};
/**
* Animates scroll to node in scrollable container
* @static
* @param {HTMLElement|HTMLDocument|window} container - Scrollable container
* @param {HTMLElement} element - Target element
*/
BX.Landing.UI.Panel.Content.scrollTo = function(container, element)
{
return new Promise(function(resolve) {
var elementTop = 0;
var duration = 0;
if (element)
{
var defaultMargin = 20;
var elementMarginTop = Math.max(parseInt(BX.style(element, "margin-top")), defaultMargin);
var containerScrollTop = container.scrollTop;
if (!(container instanceof HTMLIFrameElement))
{
elementTop = element.offsetTop - (container.offsetTop || 0) - elementMarginTop;
}
else
{
containerScrollTop = container.contentWindow.scrollY;
elementTop = BX.pos(element).top - elementMarginTop - 100;
}
duration = BX.Landing.UI.Panel.Content.calculateTransitionDuration(
Math.abs(elementTop - containerScrollTop)
);
var start = Math.max(containerScrollTop, 0);
var finish = Math.max(elementTop, 0);
if (start !== finish)
{
(new BX.easing({
duration: duration,
start: {scrollTop: start},
finish: {scrollTop: finish},
step: function(state) {
if (!(container instanceof HTMLIFrameElement))
{
container.scrollTop = state.scrollTop;
}
else
{
container.contentWindow.scrollTo(0, Math.max(state.scrollTop, 0));
}
}.bind(this)
})).animate();
setTimeout(resolve, duration);
}
else
{
resolve();
}
}
else
{
resolve();
}
});
};
/**
* Gets delta values from MouseWheelEvent
* @param {WheelEvent} event
* @param {number} [event.wheelDeltaX] - Safari only
* @param {number} [event.wheelDeltaY] - Safari only
* @return {{x: number, y: number}}
*/
BX.Landing.UI.Panel.Content.getDeltaFromEvent = function(event)
{
var deltaX = event.deltaX;
var deltaY = -1 * event.deltaY;
if (typeof deltaX === "undefined" || typeof deltaY === "undefined")
{
deltaX = -1 * event.wheelDeltaX / 6;
deltaY = event.wheelDeltaY / 6;
}
if (event.deltaMode && event.deltaMode === 1)
{
deltaX *= 10;
deltaY *= 10;
}
/** NaN checks */
if (deltaX !== deltaX && deltaY !== deltaY)
{
deltaX = 0;
deltaY = event.wheelDelta;
}
return {x: deltaX, y: deltaY};
};
BX.Landing.UI.Panel.Content.prototype = {
constructor: BX.Landing.UI.Panel.Content,
__proto__: BX.Landing.UI.Panel.BasePanel.prototype,
init: function()
{
document.body.appendChild(this.overlay);
this.overlay.addEventListener("click", this.hide.bind(this));
this.layout.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.layout.addEventListener("mouseleave", this.onMouseLeave.bind(this));
this.content.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.content.addEventListener("mouseleave", this.onMouseLeave.bind(this));
this.sidebar.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.sidebar.addEventListener("mouseleave", this.onMouseLeave.bind(this));
this.header.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.header.addEventListener("mouseleave", this.onMouseLeave.bind(this));
this.footer.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.footer.addEventListener("mouseleave", this.onMouseLeave.bind(this));
requestAnimationFrame(function() {
if (this.right)
{
this.right.addEventListener("mouseenter", this.onMouseEnter.bind(this));
this.right.addEventListener("mouseleave", this.onMouseLeave.bind(this));
}
}.bind(this));
if ("title" in this.data)
{
this.setTitle(this.data.title);
}
if ("footer" in this.data)
{
if (BX.type.isArray(this.data.footer))
{
this.data.footer.forEach(function(item) {
if (item instanceof BX.Landing.UI.Button.BaseButton)
{
this.appendFooterButton(item);
}
if (BX.type.isDomNode(item))
{
this.footer.appendChild(item);
}
}, this);
}
}
},
onIntersecting: function(items)
{
items.forEach(function(item) {
if (item.isIntersecting)
{
removeClass(item.target, "landing-ui-is-not-visible");
addClass(item.target, "landing-ui-is-visible");
}
else
{
addClass(item.target, "landing-ui-is-not-visible");
removeClass(item.target, "landing-ui-is-visible");
}
});
},
onKeydown: function(event)
{
if (event.keyCode === 27)
{
this.hide();
}
},
onMouseEnter: function(event)
{
event.stopPropagation();
BX.bind(this.layout, this.wheelEventName, BX.proxy(this.onMouseWheel, this));
BX.bind(this.layout, "touchmove", BX.proxy(this.onMouseWheel, this));
if (this.sidebar.contains(event.target) ||
this.content.contains(event.target) ||
this.header.contains(event.target) ||
this.footer.contains(event.target) ||
(this.right && this.right.contains(event.target)))
{
this.scrollTarget = event.currentTarget;
}
},
onMouseLeave: function(event)
{
event.stopPropagation();
BX.unbind(this.layout, this.wheelEventName, BX.proxy(this.onMouseWheel, this));
BX.unbind(this.layout, "touchmove", BX.proxy(this.onMouseWheel, this));
},
onMouseWheel: function(event)
{
event.preventDefault();
event.stopPropagation();
var delta = BX.Landing.UI.Panel.Content.getDeltaFromEvent(event);
var scrollTop = this.scrollTarget.scrollTop;
requestAnimationFrame(function() {
this.scrollTarget.scrollTop = scrollTop - delta.y;
}.bind(this));
},
/**
* Scroll content area to element
* @param {HTMLElement} element
*/
scrollTo: function(element)
{
BX.Landing.UI.Panel.Content.scrollTo(this.content, element);
},
/**
* Checks that panel is shown
* @return {boolean}
*/
isShown: function()
{
return this.state === "shown";
},
/**
* Shows panel
*/
show: function()
{
if (!this.isShown())
{
if (this.shouldAdjustTopPanelControls)
{
BX.Landing.UI.Panel.Top.getInstance().disableHistory();
BX.Landing.UI.Panel.Top.getInstance().disableDevices();
}
void BX.Landing.Utils.Show(this.overlay);
return BX.Landing.Utils.Show(this.layout)
.then(function() {
this.state = "shown";
}.bind(this));
}
return Promise.resolve(true);
},
/**
* Hides panel
*/
hide: function()
{
var promise = Promise.resolve(true);
if (this.isShown())
{
if (this.shouldAdjustTopPanelControls)
{
BX.Landing.UI.Panel.Top.getInstance().enableHistory();
BX.Landing.UI.Panel.Top.getInstance().enableDevices();
}
void BX.Landing.Utils.Hide(this.overlay);
return BX.Landing.Utils.Hide(this.layout)
.then(function() {
this.state = "hidden";
}.bind(this));
}
return promise;
},
/**
* Appends form to panel body
* @param {BX.Landing.UI.Form.BaseForm} form
*/
appendForm: function(form)
{
this.forms.add(form);
this.content.appendChild(form.getNode());
},
/**
* Appends card
* @param {BX.Landing.UI.Card.BaseCard} card
*/
appendCard: function(card)
{
if (this.data.scrollAnimation)
{
addClass(card.layout, "landing-ui-is-not-visible");
this.scrollObserver.observe(card.layout);
}
this.content.appendChild(card.layout);
},
/**
* Clears all content
*/
clear: function()
{
this.clearContent();
this.clearSidebar();
this.forms.clear();
},
/**
* Clears content
*/
clearContent: function()
{
this.content.innerHTML = "";
},
/**
* Clears sidebar
*/
clearSidebar: function()
{
this.sidebar.innerHTML = "";
},
/**
* Sets panel title
* @param {?string} value
*/
setTitle: function(value)
{
this.title.innerHTML = value;
},
/**
* Appends button to footer
* @param {BX.Landing.UI.Button.BaseButton} button
*/
appendFooterButton: function(button)
{
this.buttons.add(button);
this.footer.appendChild(button.layout);
},
/**
* Appends button to sidebar
* @param {BX.Landing.UI.Button.BaseButton} button
*/
appendSidebarButton: function(button)
{
this.sidebarButtons.add(button);
this.sidebar.appendChild(button.layout);
}
};
})();