devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
510 lines (508 loc) • 20.3 kB
JavaScript
/**
* DevExtreme (ui/pivot_grid/ui.pivot_grid.area_item.js)
* Version: 18.1.3
* Build date: Tue May 15 2018
*
* Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
var $ = require("../../core/renderer"),
Class = require("../../core/class"),
getPublicElement = require("../../core/utils/dom").getPublicElement,
extend = require("../../core/utils/extend").extend,
isDefined = require("../../core/utils/type").isDefined;
var PIVOTGRID_EXPAND_CLASS = "dx-expand";
var getRealElementWidth = function(element) {
var clientRect, width = 0;
if (element.getBoundingClientRect) {
clientRect = element.getBoundingClientRect();
width = clientRect.width;
if (!width) {
width = clientRect.right - clientRect.left
}
}
if (width > 0) {
return width
} else {
return element.offsetWidth
}
};
function getFakeTableOffset(scrollPos, elementOffset, tableSize, viewPortSize) {
var offset = 0,
halfTableCount = 0,
halfTableSize = tableSize / 2;
if (scrollPos + viewPortSize - (elementOffset + tableSize) > 1) {
if (scrollPos >= elementOffset + tableSize + halfTableSize) {
halfTableCount = parseInt((scrollPos - (elementOffset + tableSize)) / halfTableSize, 10)
}
offset = elementOffset + tableSize + halfTableSize * halfTableCount
} else {
if (scrollPos < elementOffset) {
if (scrollPos <= elementOffset - halfTableSize) {
halfTableCount = parseInt((scrollPos - (elementOffset - halfTableSize)) / halfTableSize, 10)
}
offset = elementOffset - (tableSize - halfTableSize * halfTableCount)
} else {
offset = elementOffset
}
}
return offset
}
exports.AreaItem = Class.inherit({
_getRowElement: function(index) {
var that = this;
if (that._tableElement && that._tableElement.length > 0) {
return that._tableElement[0].rows[index]
}
return null
},
_createGroupElement: function() {
return $("<div>")
},
_createTableElement: function() {
return $("<table>")
},
_getCellText: function(cell, encodeHtml) {
var cellText = cell.isWhiteSpace ? " " : cell.text || " ";
if (encodeHtml && (cellText.indexOf("<") !== -1 || cellText.indexOf(">") !== -1)) {
cellText = $("<div>").text(cellText).html()
}
return cellText
},
_getRowClassNames: function() {},
_applyCustomStyles: function(options) {
if (options.cell.width) {
options.cssArray.push("min-width:" + options.cell.width + "px")
}
if (options.cell.sorted) {
options.classArray.push("dx-pivotgrid-sorted")
}
},
_getMainElementMarkup: function() {
return "<tbody>"
},
_getCloseMainElementMarkup: function() {
return "</tbody>"
},
_renderTableContent: function(tableElement, data) {
var row, cell, i, j, rowElement, cellElement, cellText, rowClassNames, that = this,
rowsCount = data.length,
rtlEnabled = that.option("rtlEnabled"),
markupArray = [],
encodeHtml = that.option("encodeHtml"),
colspan = "colspan='",
rowspan = "rowspan='";
tableElement.data("area", that._getAreaName());
tableElement.data("data", data);
tableElement.css("width", "");
markupArray.push(that._getMainElementMarkup());
for (i = 0; i < rowsCount; i++) {
row = data[i];
var columnMarkupArray = [];
rowClassNames = [];
markupArray.push("<tr ");
for (j = 0; j < row.length; j++) {
cell = row[j];
this._getRowClassNames(i, cell, rowClassNames);
columnMarkupArray.push("<td ");
if (cell) {
cell.rowspan && columnMarkupArray.push(rowspan + (cell.rowspan || 1) + "'");
cell.colspan && columnMarkupArray.push(colspan + (cell.colspan || 1) + "'");
var styleOptions = {
cellElement: cellElement,
cell: cell,
cellsCount: row.length,
cellIndex: j,
rowElement: rowElement,
rowIndex: i,
rowsCount: rowsCount,
rtlEnabled: rtlEnabled,
classArray: [],
cssArray: []
};
that._applyCustomStyles(styleOptions);
if (styleOptions.cssArray.length) {
columnMarkupArray.push("style='");
columnMarkupArray.push(styleOptions.cssArray.join(";"));
columnMarkupArray.push("'")
}
if (styleOptions.classArray.length) {
columnMarkupArray.push("class='");
columnMarkupArray.push(styleOptions.classArray.join(" "));
columnMarkupArray.push("'")
}
columnMarkupArray.push(">");
if (isDefined(cell.expanded)) {
columnMarkupArray.push("<div class='dx-expand-icon-container'><span class='" + PIVOTGRID_EXPAND_CLASS + "'></span></div>")
}
cellText = this._getCellText(cell, encodeHtml)
} else {
cellText = ""
}
columnMarkupArray.push("<span ");
if (isDefined(cell.wordWrapEnabled)) {
columnMarkupArray.push("style='white-space:", cell.wordWrapEnabled ? "normal" : "nowrap", ";'")
}
columnMarkupArray.push(">" + cellText + "</span>");
if (cell.sorted) {
columnMarkupArray.push("<span class='dx-icon-sorted'></span>")
}
columnMarkupArray.push("</td>")
}
if (rowClassNames.length) {
markupArray.push("class='");
markupArray.push(rowClassNames.join(" "));
markupArray.push("'")
}
markupArray.push(">");
markupArray.push(columnMarkupArray.join(""));
markupArray.push("</tr>")
}
markupArray.push(this._getCloseMainElementMarkup());
tableElement.append(markupArray.join(""));
this._triggerOnCellPrepared(tableElement, data)
},
_triggerOnCellPrepared: function(tableElement, data) {
var rowElement, $cellElement, onCellPreparedArgs, row, cell, rowIndex, columnIndex, that = this,
rowElements = tableElement.find("tr"),
areaName = that._getAreaName(),
onCellPrepared = that.option("onCellPrepared"),
hasEvent = that.component.hasEvent("cellPrepared"),
defaultActionArgs = this.component._defaultActionArgs();
if (onCellPrepared || hasEvent) {
for (rowIndex = 0; rowIndex < data.length; rowIndex++) {
row = data[rowIndex];
rowElement = rowElements.eq(rowIndex);
for (columnIndex = 0; columnIndex < row.length; columnIndex++) {
cell = row[columnIndex];
$cellElement = rowElement.children().eq(columnIndex);
onCellPreparedArgs = {
area: areaName,
rowIndex: rowIndex,
columnIndex: columnIndex,
cellElement: getPublicElement($cellElement),
cell: cell
};
if (hasEvent) {
that.component._trigger("onCellPrepared", onCellPreparedArgs)
} else {
onCellPrepared(extend(onCellPreparedArgs, defaultActionArgs))
}
}
}
}
},
_getRowHeight: function(index) {
var clientRect, row = this._getRowElement(index),
height = 0;
if (row && row.lastChild) {
if (row.getBoundingClientRect) {
clientRect = row.getBoundingClientRect();
height = clientRect.height
}
if (height > 0) {
return height
} else {
return row.offsetHeight
}
}
return 0
},
_setRowHeight: function(index, value) {
var row = this._getRowElement(index);
if (row) {
row.style.height = value + "px"
}
},
ctor: function(component) {
this.component = component
},
option: function() {
return this.component.option.apply(this.component, arguments)
},
getRowsLength: function() {
var that = this;
if (that._tableElement && that._tableElement.length > 0) {
return that._tableElement[0].rows.length
}
return 0
},
getRowsHeight: function() {
var i, that = this,
result = [],
rowsLength = that.getRowsLength();
for (i = 0; i < rowsLength; i++) {
result.push(that._getRowHeight(i))
}
return result
},
setRowsHeight: function(values) {
var i, that = this,
totalHeight = 0,
valuesLength = values.length;
for (i = 0; i < valuesLength; i++) {
totalHeight += values[i];
that._setRowHeight(i, values[i])
}
this._tableHeight = totalHeight;
this._tableElement[0].style.height = totalHeight + "px"
},
getColumnsWidth: function() {
var rowIndex, row, i, columnIndex, rowsLength = this.getRowsLength(),
processedCells = [],
result = [],
fillCells = function(cells, rowIndex, columnIndex, rowSpan, colSpan) {
var rowOffset, columnOffset;
for (rowOffset = 0; rowOffset < rowSpan; rowOffset++) {
for (columnOffset = 0; columnOffset < colSpan; columnOffset++) {
cells[rowIndex + rowOffset] = cells[rowIndex + rowOffset] || [];
cells[rowIndex + rowOffset][columnIndex + columnOffset] = true
}
}
};
if (rowsLength) {
for (rowIndex = 0; rowIndex < rowsLength; rowIndex++) {
processedCells[rowIndex] = processedCells[rowIndex] || [];
row = this._getRowElement(rowIndex);
for (i = 0; i < row.cells.length; i++) {
for (columnIndex = 0; processedCells[rowIndex][columnIndex]; columnIndex++) {}
fillCells(processedCells, rowIndex, columnIndex, row.cells[i].rowSpan, row.cells[i].colSpan);
if (1 === row.cells[i].colSpan) {
result[columnIndex] = result[columnIndex] || getRealElementWidth(row.cells[i])
}
}
}
}
return result
},
setColumnsWidth: function(values) {
var i, totalWidth = 0,
tableElement = this._tableElement[0],
colgroupElementHTML = "",
columnsCount = this.getColumnsCount(),
columnWidth = [];
for (i = 0; i < columnsCount; i++) {
columnWidth.push(values[i] || 0)
}
for (i = columnsCount; i < values.length && values; i++) {
columnWidth[columnsCount - 1] += values[i]
}
for (i = 0; i < columnsCount; i++) {
totalWidth += columnWidth[i];
colgroupElementHTML += '<col style="width: ' + columnWidth[i] + 'px">'
}
this._colgroupElement.html(colgroupElementHTML);
this._tableWidth = totalWidth;
tableElement.style.width = totalWidth + "px";
tableElement.style.tableLayout = "fixed"
},
resetColumnsWidth: function() {
this._colgroupElement.find("col").width("auto");
this._tableElement.css({
width: "",
tableLayout: ""
})
},
groupWidth: function(value) {
if (void 0 === value) {
return this._groupElement.width()
} else {
if (value >= 0) {
this._groupWidth = value;
return this._groupElement[0].style.width = value + "px"
} else {
return this._groupElement[0].style.width = value
}
}
},
groupHeight: function(value) {
if (void 0 === value) {
return this._groupElement.height()
}
this._groupHeight = null;
if (value >= 0) {
this._groupHeight = value;
this._groupElement[0].style.height = value + "px"
} else {
this._groupElement[0].style.height = value
}
},
groupElement: function() {
return this._groupElement
},
tableElement: function() {
return this._tableElement
},
element: function() {
return this._rootElement
},
headElement: function() {
return this._tableElement.find("thead")
},
_setTableCss: function(styles) {
if (this.option("rtlEnabled")) {
styles.right = styles.left;
delete styles.left
}
this.tableElement().css(styles)
},
setVirtualContentParams: function(params) {
this._virtualContent.css({
width: params.width,
height: params.height
});
this.groupElement().addClass("dx-virtual-mode")
},
disableVirtualMode: function() {
this.groupElement().removeClass("dx-virtual-mode")
},
_renderVirtualContent: function() {
var that = this;
if (!that._virtualContent && "virtual" === that.option("scrolling.mode")) {
that._virtualContent = $("<div>").addClass("dx-virtual-content").insertBefore(that._tableElement)
}
},
reset: function() {
var that = this,
tableElement = that._tableElement[0];
that._fakeTable && that._fakeTable.detach();
that._fakeTable = null;
that.disableVirtualMode();
that.groupWidth("100%");
that.groupHeight("auto");
that.resetColumnsWidth();
if (tableElement) {
for (var i = 0; i < tableElement.rows.length; i++) {
tableElement.rows[i].style.height = ""
}
tableElement.style.height = "";
tableElement.style.width = "100%"
}
},
_updateFakeTableVisibility: function() {
var that = this,
tableElement = that.tableElement()[0],
horizontalOffsetName = that.option("rtlEnabled") ? "right" : "left",
fakeTableElement = that._fakeTable[0];
if (tableElement.style.top === fakeTableElement.style.top && fakeTableElement.style[horizontalOffsetName] === tableElement.style[horizontalOffsetName]) {
that._fakeTable.addClass("dx-hidden")
} else {
that._fakeTable.removeClass("dx-hidden")
}
},
_moveFakeTableHorizontally: function(scrollPos) {
var that = this,
rtlEnabled = that.option("rtlEnabled"),
offsetStyleName = rtlEnabled ? "right" : "left",
tableElementOffset = parseFloat(that.tableElement()[0].style[offsetStyleName]),
offset = getFakeTableOffset(scrollPos, tableElementOffset, that._tableWidth, that._groupWidth);
if (parseFloat(that._fakeTable[0].style[offsetStyleName]) !== offset) {
that._fakeTable[0].style[offsetStyleName] = offset + "px"
}
},
_moveFakeTableTop: function(scrollPos) {
var that = this,
tableElementOffsetTop = parseFloat(that.tableElement()[0].style.top),
offsetTop = getFakeTableOffset(scrollPos, tableElementOffsetTop, that._tableHeight, that._groupHeight);
if (parseFloat(that._fakeTable[0].style.top) !== offsetTop) {
that._fakeTable[0].style.top = offsetTop + "px"
}
},
_moveFakeTable: function() {
this._updateFakeTableVisibility()
},
_createFakeTable: function() {
var that = this;
if (!that._fakeTable) {
that._fakeTable = that.tableElement().clone().addClass("dx-pivot-grid-fake-table").appendTo(that._virtualContent)
}
},
render: function(rootElement, data) {
var that = this;
if (that._tableElement) {
try {
that._tableElement[0].innerHTML = ""
} catch (e) {
that._tableElement.empty()
}
that._tableElement.attr("style", "")
} else {
that._groupElement = that._createGroupElement();
that._tableElement = that._createTableElement();
that._tableElement.appendTo(that._groupElement);
that._groupElement.appendTo(rootElement);
that._rootElement = rootElement
}
that._colgroupElement = $("<colgroup>").appendTo(that._tableElement);
that._renderTableContent(that._tableElement, data);
that._renderVirtualContent()
},
_getScrollable: function() {
return this.groupElement().data("dxScrollable")
},
on: function(eventName, handler) {
var that = this,
scrollable = that._getScrollable();
if (scrollable) {
scrollable.on(eventName, function(e) {
if (that.option("rtlEnabled")) {
e.scrollOffset.left = scrollable.$content().width() - scrollable._container().width() - e.scrollOffset.left
}
handler(e)
})
}
return this
},
off: function(eventName) {
var scrollable = this._getScrollable();
if (scrollable) {
scrollable.off(eventName)
}
return this
},
scrollTo: function(pos) {
var scrollable = this._getScrollable(),
scrollablePos = pos;
if (scrollable) {
if (this.option("rtlEnabled")) {
if ("column" === this._getAreaName()) {
scrollablePos = scrollable.$content().width() - scrollable._container().width() - pos
} else {
if ("data" === this._getAreaName()) {
scrollablePos = {
x: scrollable.$content().width() - scrollable._container().width() - pos.x,
y: pos.y
}
}
}
}
scrollable.scrollTo(scrollablePos);
if (this._virtualContent) {
this._createFakeTable();
this._moveFakeTable(pos)
}
}
},
updateScrollable: function() {
var scrollable = this._getScrollable();
if (scrollable) {
return scrollable.update()
}
},
getColumnsCount: function() {
var cells, columnCount = 0,
row = this._getRowElement(0);
if (row) {
cells = row.cells;
for (var i = 0, len = cells.length; i < len; ++i) {
columnCount += cells[i].colSpan
}
}
return columnCount
},
getData: function() {
var tableElement = this._tableElement;
return tableElement ? tableElement.data("data") : []
}
});