%PDF-
%PDF-
Mini Shell
Mini Shell
;(function() {
'use strict';
BX.namespace('BX.Grid');
/**
* BX.Grid.PinPanel
* @param {BX.Main.grid} parent
* @constructor
*/
BX.Grid.PinPanel = function(parent)
{
this.parent = null;
this.panel = null;
this.panelRect = null;
this.isSelected = null;
this.offset = null;
this.animationDuration = null;
this.lastIsSelected = null;
this.init(parent);
};
BX.Grid.PinPanel.prototype = {
init: function(parent) {
this.parent = parent;
this.offset = 10;
this.animationDuration = 200;
this.panel = this.getPanel();
this.bindOnRowsEvents();
},
bindOnRowsEvents: function()
{
BX.addCustomEvent('Grid::thereSelectedRows', BX.delegate(this._onThereSelectedRows, this));
BX.addCustomEvent('Grid::allRowsSelected', BX.delegate(this._onThereSelectedRows, this));
BX.addCustomEvent('Grid::noSelectedRows', BX.delegate(this._onNoSelectedRows, this));
BX.addCustomEvent('Grid::allRowsUnselected', BX.delegate(this._onNoSelectedRows, this));
BX.addCustomEvent('Grid::updated', BX.delegate(this._onNoSelectedRows, this));
},
bindOnWindowEvents: function()
{
BX.bind(window, 'resize', BX.proxy(this._onResize, this));
document.addEventListener('scroll', BX.proxy(this._onScroll, this), BX.Grid.Utils.listenerParams({passive: true}));
},
unbindOnWindowEvents: function()
{
BX.unbind(window, 'resize', BX.proxy(this._onResize, this));
document.removeEventListener('scroll', BX.proxy(this._onScroll, this), BX.Grid.Utils.listenerParams({passive: true}));
},
getPanel: function() {
this.panel = this.panel || this.parent.getActionsPanel().getPanel();
return this.panel;
},
getScrollBottom: function()
{
return (BX.scrollTop(window) + this.getWindowHeight());
},
getPanelRect: function()
{
if (!BX.type.isPlainObject(this.panelRect))
{
this.panelRect = BX.pos(this.getPanel());
}
return this.panelRect;
},
getPanelPrevBottom: function()
{
var prev = BX.previousSibling(this.getPanel());
return BX.pos(prev).bottom + parseFloat(BX.style(prev, 'margin-bottom'));
},
getWindowHeight: function()
{
this.windowHeight = this.windowHeight || BX.height(window);
return this.windowHeight;
},
pinPanel: function()
{
BX.style(this.getPanel(), 'width', BX.width(this.getPanel().parentNode) + 'px');
BX.style(this.getPanel().parentNode, 'height', BX.height(this.getPanel().parentNode) + 'px');
BX.addClass(this.getPanel(), 'main-grid-fixed-bottom');
BX.style(this.getPanel(), 'bottom', '');
setTimeout(BX.delegate(function() {
BX.style(this.getPanel(), 'transition', 'none');
}, this), 200);
},
unpinPanel: function()
{
BX.removeClass(this.getPanel(), 'main-grid-fixed-bottom');
BX.style(this.getPanel(), 'width', '');
BX.style(this.getPanel().parentNode, 'height', '');
BX.style(this.getPanel(), 'bottom', '');
setTimeout(BX.delegate(function() {
BX.style(this.getPanel(), 'transition', '');
}, this), 200);
},
isSelectedRows: function()
{
return this.isSelected;
},
isNeedPinAbsolute: function()
{
return (
((BX.pos(this.parent.getBody()).top + this.getPanelRect().height) >= this.getScrollBottom())
);
},
isNeedPin: function()
{
return (this.getScrollBottom() - this.getPanelRect().height) <= this.getPanelPrevBottom();
},
adjustPanelPosition: function()
{
var scrollX = window.pageXOffset;
this.lastScrollX = this.lastScrollX !== null ? this.lastScrollX : scrollX;
BX.Grid.Utils.requestAnimationFrame(BX.proxy(function() {
if (scrollX !== this.lastScrollX)
{
var panelPos = this.getPanelRect();
BX.style(this.getPanel(), 'left', panelPos.left - scrollX + 'px');
}
}, this));
this.lastScrollX = scrollX;
},
pinController: function(isNeedAnimation)
{
if(!this.getPanel())
{
return;
}
var self = this;
if (this.isNeedPin() && this.isSelectedRows())
{
if (isNeedAnimation)
{
BX.style(this.getPanel(), 'bottom', -this.getStartDiffPanelPosition() + 'px');
setTimeout(function() {
self.pinPanel();
}, 200);
}
else
{
this.pinPanel();
}
if (this.isNeedPinAbsolute() && !this.absolutePin)
{
this.absolutePin = true;
BX.style(this.getPanel(), 'transition', '');
BX.style(this.getPanel(), 'top', (BX.pos(this.parent.getBody()).top - parseFloat(BX.style(this.getPanel(), 'margin-top'))) + 'px');
BX.style(self.getPanel(), 'position', 'absolute');
}
else if (!this.isNeedPinAbsolute() && this.absolutePin)
{
this.absolutePin = false;
BX.style(this.getPanel(), 'position', '');
BX.style(this.getPanel(), 'top', '');
}
this.adjustPanelPosition();
}
else
{
if (isNeedAnimation)
{
BX.style(this.getPanel(), 'bottom', -this.getEndDiffPanelPosition() + 'px');
setTimeout(function() {
self.unpinPanel();
}, 200);
}
else
{
this.unpinPanel();
}
}
},
getEndDiffPanelPosition: function()
{
var panelPos = BX.pos(this.getPanel());
var prevPanelPos = BX.pos(BX.previousSibling(this.getPanel()));
var scrollTop = BX.scrollTop(window);
var scrollBottom = scrollTop + BX.height(window);
var diff = panelPos.height + this.offset;
var prevPanelBottom = (prevPanelPos.bottom + parseFloat(BX.style(this.getPanel(), 'margin-top')));
if (prevPanelBottom < scrollBottom && (prevPanelBottom + panelPos.height) > scrollBottom)
{
diff = Math.abs(scrollBottom - (prevPanelBottom + panelPos.height));
}
return diff;
},
getStartDiffPanelPosition: function()
{
var panelPos = BX.pos(this.getPanel());
var scrollTop = BX.scrollTop(window);
var scrollBottom = scrollTop + BX.height(window);
var diff = panelPos.height + this.offset;
if (panelPos.bottom > scrollBottom && panelPos.top < scrollBottom)
{
diff = panelPos.bottom - scrollBottom;
}
return diff;
},
_onThereSelectedRows: function()
{
this.bindOnWindowEvents();
this.isSelected = true;
if (this.lastIsSelected)
{
this.pinController();
}
else
{
this.lastIsSelected = true;
this.pinController(true);
}
},
_onNoSelectedRows: function()
{
this.unbindOnWindowEvents();
this.isSelected = false;
this.pinController(true);
this.lastIsSelected = false;
},
_onScroll: function()
{
this.pinController();
},
_onResize: function()
{
this.windowHeight = BX.height(window);
this.panel = this.parent.getActionsPanel().getPanel();
this.panelRect = this.getPanel().getBoundingClientRect();
this.pinController();
}
};
})();
Zerion Mini Shell 1.0