DocumentServer/OfficeWeb/sdk/Excel/view/PopUpSelector.js
2015-04-28 17:59:00 +03:00

285 lines
11 KiB
JavaScript

/*
* (c) Copyright Ascensio System SIA 2010-2015
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
"use strict";
(function ($, window, undefined) {
var asc = window["Asc"];
var asc_HL = asc.HandlersList;
function PopUpSelector(element, handlers) {
this.handlers = new asc_HL(handlers);
this.scrollOptions = {
wheelPropagation: false,
minScrollbarLength: null,
useBothWheelAxes: false,
useKeyboard: true,
suppressScrollX: false,
suppressScrollY: false,
scrollXMarginOffset: 5,
scrollYMarginOffset: 5,
includePadding: false
};
this.element = element;
this.selector = null;
this.selectorStyle = null;
this.selectorList = null;
this.selectorListEl = [];
this.selectorListJQ = null;
this.selectElement = null;
this.firstElement = null;
this.isFormula = false;
this.isVisible = false;
this.skipClose = false;
this.fMouseDown = null;
this.fMouseDblClick = null;
this.fMouseOver = null;
this._init();
return this;
}
PopUpSelector.prototype._init = function () {
var t = this;
if (null != this.element) {
this.selector = document.createElement("div");
this.selectorStyle = this.selector.style;
this.selector.id = "apiPopUpSelector";
this.selector.className = "combobox";
this.selector.innerHTML = '<ul id="apiPopUpList" class="dropdown-menu"></ul>';
this.element.appendChild(this.selector);
this.selectorList = document.getElementById("apiPopUpList");
this.fMouseDown = function (event) {
t._onMouseDown(event);
};
this.fMouseDblClick = function (event) {
t._onMouseDblClick(event);
};
this.fMouseOver = function (event) {
t._onMouseOver(event);
};
if (this.selector.addEventListener) {
this.selector.addEventListener("mousedown", function () {
t.skipClose = true;
},
false);
}
if (window.addEventListener) {
window.addEventListener("mousedown", function () {
if (t.skipClose) {
t.skipClose = false;
return;
}
t.hide();
},
false);
}
this.selectorListJQ = $("#apiPopUpList");
if (this.selectorListJQ.perfectScrollbar) {
this.selectorListJQ.perfectScrollbar(this.scrollOptions);
}
this.setAlwaysVisibleY(true);
}
};
PopUpSelector.prototype.show = function (isFormula, arrItems, cellRect) {
this._clearList();
if (!this.isVisible) {
this.selector.className = "combobox open";
this.isVisible = true;
}
this.isFormula = isFormula;
var item, isFirst, value, selectElement = null;
for (var i = 0; i < arrItems.length; ++i) {
item = document.createElement("li");
isFirst = (0 === i);
if (isFirst) {
this.firstElement = item;
}
if (this.isFormula) {
if (isFirst) {
selectElement = item;
}
value = arrItems[i].name;
item.setAttribute("title", arrItems[i].arg);
} else {
value = arrItems[i];
}
item.innerHTML = "<a>" + value + "</a>";
item.setAttribute("val", value);
if (item.addEventListener) {
item.addEventListener("mousedown", this.fMouseDown, false);
item.addEventListener("dblclick", this.fMouseDblClick, false);
if (!this.isFormula) {
item.addEventListener("mouseover", this.fMouseOver, false);
}
}
this.selectorList.appendChild(item);
this.selectorListEl.push(item);
}
this.setPosition(cellRect);
this.selectorListJQ.perfectScrollbar("update");
this._onChangeSelection(selectElement);
};
PopUpSelector.prototype.hide = function () {
if (this.isVisible) {
this.selectorListJQ.scrollTop(0);
this.selector.className = "combobox";
this.isVisible = false;
this._clearList();
}
};
PopUpSelector.prototype.setPosition = function (cellRect) {
var top = cellRect.asc_getY() + cellRect.asc_getHeight(),
left = cellRect.asc_getX();
var diff = top + this.selectorList.offsetHeight - this.element.offsetHeight;
if (0 < diff) {
top -= diff;
left += cellRect.asc_getWidth();
} else {
left += 10;
}
this.selectorStyle["left"] = left + "px";
this.selectorStyle["top"] = top + "px";
};
PopUpSelector.prototype.getVisible = function () {
return this.isVisible;
};
PopUpSelector.prototype._clearList = function () {
var i;
for (i = 0; i < this.selectorListEl.length; ++i) {
this.selectorList.removeChild(this.selectorListEl[i]);
}
this.selectorListEl.length = 0;
this.selectElement = null;
this.firstElement = null;
this.isFormula = false;
};
PopUpSelector.prototype.onKeyDown = function (event) {
var retVal = false;
switch (event.which) {
case 9:
if (this.isFormula) {
event.stopPropagation();
event.preventDefault();
this._onMouseDblClick();
} else {
retVal = true;
}
break;
case 13:
if (null !== this.selectElement) {
event.stopPropagation();
event.preventDefault();
if (this.isFormula) {
this._onMouseDblClick();
} else {
this._onInsert(this.selectElement.getAttribute("val"));
}
} else {
retVal = true;
}
break;
case 27:
this.hide();
break;
case 38:
this._onChangeSelection(null !== this.selectElement ? this.selectElement.previousSibling : this.firstElement);
break;
case 40:
this._onChangeSelection(null !== this.selectElement ? this.selectElement.nextSibling : this.firstElement);
break;
case 16:
break;
default:
retVal = true;
}
if (retVal) {
this.hide();
}
return retVal;
};
PopUpSelector.prototype._onInsert = function (value) {
this.hide();
this.handlers.trigger("insert", value);
};
PopUpSelector.prototype._onMouseDown = function (event) {
this.skipClose = true;
var element = event.currentTarget;
if (this.isFormula) {
this._onChangeSelection(element);
} else {
this._onInsert(element.getAttribute("val"));
}
};
PopUpSelector.prototype._onMouseDblClick = function (event) {
if (!this.isVisible) {
return;
}
if (!this.isFormula) {
this._onMouseDown(event);
return;
}
var elementVal = (event ? event.currentTarget : this.selectElement).getAttribute("val");
this._onInsert(elementVal);
};
PopUpSelector.prototype._onMouseOver = function (event) {
if (this.isFormula) {
return;
}
this._onChangeSelection(event.currentTarget);
};
PopUpSelector.prototype._onChangeSelection = function (newElement) {
if (null === newElement || null === newElement.getAttribute("val")) {
return;
}
if (null !== this.selectElement) {
this.selectElement.className = "";
}
this.selectElement = newElement;
this.selectElement.className = "selected";
this.scrollToRecord();
};
PopUpSelector.prototype.scrollToRecord = function () {
var innerEl = $(this.selectorList);
var inner_top = innerEl.offset().top;
var div = $(this.selectElement);
var div_top = div.offset().top;
if (div_top < inner_top || div_top + div.height() > inner_top + innerEl.height()) {
this.selectorListJQ.scrollTop(this.selectorListJQ.scrollTop() + div_top - inner_top);
}
};
PopUpSelector.prototype.setAlwaysVisibleY = function (flag) {
if (flag) {
$(this.selectorList).find(".ps-scrollbar-y-rail").addClass("always-visible-y");
$(this.selectorList).find(".ps-scrollbar-y").addClass("always-visible-y");
} else {
$(this.selectorList).find(".ps-scrollbar-y-rail").removeClass("always-visible-y");
$(this.selectorList).find(".ps-scrollbar-y").removeClass("always-visible-y");
}
};
window["Asc"].PopUpSelector = PopUpSelector;
})(jQuery, window);