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editablegrid.js
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editablegrid.js
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if (typeof _$ == 'undefined') {
function _$(elementId) { return document.getElementById(elementId); }
}
/**
* Creates a new column
* @constructor
* @class Represents a column in the editable grid
* @param {Object} config
*/
function Column(config)
{
// default properties
var props = {
name: "",
label: "",
editable: true,
renderable: true,
datatype: "string",
unit: null,
precision: -1, // means that all decimals are displayed
nansymbol: '',
decimal_point: ',',
thousands_separator: '.',
unit_before_number: false,
bar: true, // is the column to be displayed in a bar chart ? relevant only for numerical columns
hidden: false, // should the column be hidden by default
headerRenderer: null,
headerEditor: null,
cellRenderer: null,
cellEditor: null,
cellValidators: [],
enumProvider: null,
optionValues: null,
optionValuesForRender: null,
columnIndex: -1
};
// override default properties with the ones given
for (var p in props) this[p] = (typeof config == 'undefined' || typeof config[p] == 'undefined') ? props[p] : config[p];
}
Column.prototype.getOptionValuesForRender = function(rowIndex) {
if (!this.enumProvider) {
console.log('getOptionValuesForRender called on column ' + this.name + ' but there is no EnumProvider');
return null;
}
var values = this.enumProvider.getOptionValuesForRender(this.editablegrid, this, rowIndex);
return values ? values : this.optionValuesForRender;
};
Column.prototype.getOptionValuesForEdit = function(rowIndex) {
if (!this.enumProvider) {
console.log('getOptionValuesForEdit called on column ' + this.name + ' but there is no EnumProvider');
return null;
}
var values = this.enumProvider.getOptionValuesForEdit(this.editablegrid, this, rowIndex);
return values ? this.editablegrid._convertOptions(values) : this.optionValues;
};
Column.prototype.isValid = function(value) {
for (var i = 0; i < this.cellValidators.length; i++) if (!this.cellValidators[i].isValid(value)) return false;
return true;
};
Column.prototype.isNumerical = function() {
return this.datatype =='double' || this.datatype =='integer';
};
/**
* Creates a new enumeration provider
* @constructor
* @class Base class for all enumeration providers
* @param {Object} config
*/
function EnumProvider(config)
{
// default properties
this.getOptionValuesForRender = function(grid, column, rowIndex) { return null; };
this.getOptionValuesForEdit = function(grid, column, rowIndex) { return null; };
// override default properties with the ones given
for (var p in config) this[p] = config[p];
}
/**
* Creates a new EditableGrid.
* <p>You can specify here some configuration options (optional).
* <br/>You can also set these same configuration options afterwards.
* <p>These options are:
* <ul>
* <li>enableSort: enable sorting when clicking on column headers (default=true)</li>
* <li>doubleclick: use double click to edit cells (default=false)</li>
* <li>editmode: can be one of
* <ul>
* <li>absolute: cell editor comes over the cell (default)</li>
* <li>static: cell editor comes inside the cell</li>
* <li>fixed: cell editor comes in an external div</li>
* </ul>
* </li>
* <li>editorzoneid: used only when editmode is set to fixed, it is the id of the div to use for cell editors</li>
* <li>allowSimultaneousEdition: tells if several cells can be edited at the same time (default=false)<br/>
* Warning: on some Linux browsers (eg. Epiphany), a blur event is sent when the user clicks on a 'select' input to expand it.
* So practically, in these browsers you should set allowSimultaneousEdition to true if you want to use columns with option values and/or enum providers.
* This also used to happen in older versions of Google Chrome Linux but it has been fixed, so upgrade if needed.</li>
* <li>saveOnBlur: should be cells saved when clicking elsewhere ? (default=true)</li>
* <li>editNextOnTab: should next cell turn into edition when current cell is saved using TAB ? (default=true)</li>
* <li>editNextOnEnter: should next cell turn into edition when current cell is saved using ENTER ? (default=false)</li>
* <li>editNextDirectionOnTab: when next cell turns into edition, should we go to the right or down first ? (default='horizontal')</li>
* <li>editNextDirectionOnEnter: when next cell turns into edition, should we go to the right or down first ? (default='vertical')</li>
* <li>invalidClassName: CSS class to apply to text fields when the entered value is invalid (default="invalid")</li>
* <li>ignoreLastRow: ignore last row when sorting and charting the data (typically for a 'total' row)</li>
* <li>caption: text to use as the grid's caption</li>
* <li>dateFormat: EU or US (default="EU")</li>
* <li>shortMonthNames: list of month names (default=["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"])</li>
* <li>smartColorsBar: colors used for rendering (stacked) bar charts</li>
* <li>smartColorsPie: colors used for rendering pie charts</li>
* <li>pageSize: maximum number of rows displayed (0 means we don't want any pagination, which is the default)</li>
* <li>sortIconDown: icon used to show desc order</li>
* <li>sortIconUp: icon used to show asc order</li>
* </ul>
* @constructor
* @class EditableGrid
*/
function EditableGrid(name, config) {
if (typeof name != 'undefined' && name.replace(/\s+/g,'') == "") console.error("EditableGrid() : parameter [name] cannot be empty.");
if (name) this.init(name, config);
}
/**
* Default properties
*/
EditableGrid.prototype.enableSort = true;
EditableGrid.prototype.enableStore = true;
EditableGrid.prototype.doubleclick = false;
EditableGrid.prototype.editmode = "absolute";
EditableGrid.prototype.editorzoneid = "";
EditableGrid.prototype.allowSimultaneousEdition = false;
EditableGrid.prototype.saveOnBlur = true;
EditableGrid.prototype.editNextOnTab = true;
EditableGrid.prototype.editNextOnEnter = false;
EditableGrid.prototype.editNextDirectionOnTab = 'horizontal';
EditableGrid.prototype.editNextDirectionOnEnter = 'vertical';
EditableGrid.prototype.invalidClassName = "invalid";
EditableGrid.prototype.ignoreLastRow = false;
EditableGrid.prototype.caption = null;
EditableGrid.prototype.dateFormat = "EU";
EditableGrid.prototype.shortMonthNames = null;
EditableGrid.prototype.smartColorsBar = ["#dc243c","#4040f6","#00f629","#efe100","#f93fb1","#6f8183","#111111"];
EditableGrid.prototype.smartColorsPie = ["#FF0000","#00FF00","#0000FF","#FFD700","#FF00FF","#00FFFF","#800080"];
EditableGrid.prototype.pageSize = 0; // client-side pagination, don't set this for server-side pagination!
//server-side pagination, sorting and filtering
EditableGrid.prototype.serverSide = false;
EditableGrid.prototype.pageCount = 0;
EditableGrid.prototype.totalRowCount = 0;
EditableGrid.prototype.unfilteredRowCount = 0;
EditableGrid.prototype.paginatorAttributes = null;
EditableGrid.prototype.lastURL = null;
EditableGrid.prototype.init = function (name, config)
{
if (typeof name != "string" || (typeof config != "object" && typeof config != "undefined")) {
alert("The EditableGrid constructor takes two arguments:\n- name (string)\n- config (object)\n\nGot instead " + (typeof name) + " and " + (typeof config) + ".");
};
// override default properties with the ones given
if (typeof config != 'undefined') for (var p in config) this[p] = config[p];
this.Browser = {
IE: !!(window.attachEvent && navigator.userAgent.indexOf('Opera') === -1),
Opera: navigator.userAgent.indexOf('Opera') > -1,
WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') === -1,
MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
};
if (typeof this.detectDir != 'function') {
var error = new Error();
alert("Who is calling me now ? " + error.stack);
}
// private data
this.name = name;
this.columns = [];
this.data = [];
this.dataUnfiltered = null; // non null means that data is filtered
this.xmlDoc = null;
this.sortedColumnName = -1;
this.sortDescending = false;
this.baseUrl = this.detectDir();
this.nbHeaderRows = 1;
this.lastSelectedRowIndex = -1;
this.currentPageIndex = 0;
this.currentFilter = null;
this.currentContainerid = null;
this.currentClassName = null;
this.currentTableid = null;
if (this.enableSort) {
if ( typeof config != "undefined" && typeof config['sortIconUp'] != "undefined" ) {
this.sortUpElement = new Image();
this.sortUpElement.src = config['sortIconUp'];
} else {
this.sortUpElement = document.createElement('span');
this.sortUpElement.innerHTML = '↑' // Unicode 'up' arrow
}
if ( typeof config != "undefined" && typeof config['sortIconDown'] != "undefined" ) {
this.sortDownElement = new Image();
this.sortDownElement.src = config['sortIconDown'];
} else {
this.sortDownElement = document.createElement('span');
this.sortDownElement.innerHTML = '↓' // Unicode 'down' arrow
}
}
// restore stored parameters, or use default values if nothing stored
this.currentPageIndex = this.localisset('pageIndex') ? parseInt(this.localget('pageIndex')) : 0;
this.sortedColumnName = this.localisset('sortColumnIndexOrName') ? this.localget('sortColumnIndexOrName') : -1;
this.sortDescending = this.localisset('sortColumnIndexOrName') && this.localisset('sortDescending') ? this.localget('sortDescending') == 'true' : false;
this.currentFilter = this.localisset('filter') ? this.localget('filter') : null;
};
/**
* Callback functions
*/
EditableGrid.prototype.tableLoaded = function() {};
EditableGrid.prototype.chartRendered = function() {};
EditableGrid.prototype.tableRendered = function(containerid, className, tableid) {};
EditableGrid.prototype.tableSorted = function(columnIndex, descending) {};
EditableGrid.prototype.tableFiltered = function() {};
EditableGrid.prototype.openedCellEditor = function(rowIndex, columnIndex) {};
EditableGrid.prototype.modelChanged = function(rowIndex, columnIndex, oldValue, newValue, row) {};
EditableGrid.prototype.rowSelected = function(oldRowIndex, newRowIndex) {};
EditableGrid.prototype.isHeaderEditable = function(rowIndex, columnIndex) { return false; };
EditableGrid.prototype.isEditable =function(rowIndex, columnIndex) { return true; };
EditableGrid.prototype.readonlyWarning = function() {};
/** Notifies that a row has been deleted */
EditableGrid.prototype.rowRemoved = function(oldRowIndex, rowId) {};
/**
* Load metadata and/or data from an XML url
* The callback "tableLoaded" is called when loading is complete.
*/
EditableGrid.prototype.loadXML = function(url, callback, dataOnly)
{
this.lastURL = url;
var self = this;
// IE
if (window.ActiveXObject)
{
this.xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
this.xmlDoc.onreadystatechange = function() {
if (self.xmlDoc.readyState == 4) {
self.processXML();
self._callback('xml', callback);
}
};
this.xmlDoc.load(this._addUrlParameters(url, dataOnly));
}
// generic Ajax
else if (window.XMLHttpRequest)
{
this.xmlDoc = new XMLHttpRequest();
this.xmlDoc.onreadystatechange = function () {
if (this.readyState == 4) {
self.xmlDoc = this.responseXML;
if (!self.xmlDoc) { console.error("Could not load XML from url '" + url + "'"); return false; }
self.processXML();
self._callback('xml', callback);
}
};
this.xmlDoc.open("GET", this._addUrlParameters(url, dataOnly), true);
this.xmlDoc.send("");
}
// Firefox (and some other browsers)
else if (document.implementation && document.implementation.createDocument)
{
this.xmlDoc = document.implementation.createDocument("", "", null);
this.xmlDoc.onload = function() {
self.processXML();
self._callback('xml', callback);
};
this.xmlDoc.load(this._addUrlParameters(url, dataOnly));
}
// should never happen
else {
alert("Cannot load a XML url with this browser!");
return false;
}
return true;
};
/**
* Load metadata and/or data from an XML string
* No callback "tableLoaded" is called since this is a synchronous operation.
*
* Contributed by Tim Consolazio of Tcoz Tech Services, [email protected]
* http://tcoztechwire.blogspot.com/2012/04/setxmlfromstring-extension-for.html
*/
EditableGrid.prototype.loadXMLFromString = function(xml)
{
if (window.DOMParser) {
var parser = new DOMParser();
this.xmlDoc = parser.parseFromString(xml, "application/xml");
}
else {
this.xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); // IE
this.xmlDoc.async = "false";
this.xmlDoc.loadXML(xml);
}
this.processXML();
};
/**
* Process the XML content
* @private
*/
EditableGrid.prototype.processXML = function()
{
with (this) {
// clear model and pointer to current table
this.data = [];
this.dataUnfiltered = null;
this.table = null;
// load metadata (only one tag <metadata> --> metadata[0])
var metadata = xmlDoc.getElementsByTagName("metadata");
if (metadata && metadata.length >= 1) {
this.columns = [];
var columnDeclarations = metadata[0].getElementsByTagName("column");
for (var i = 0; i < columnDeclarations.length; i++) {
// get column type
var col = columnDeclarations[i];
var datatype = col.getAttribute("datatype");
// get enumerated values if any
var optionValuesForRender = null;
var optionValues = null;
var enumValues = col.getElementsByTagName("values");
if (enumValues.length > 0) {
optionValues = [];
optionValuesForRender = {};
var enumGroups = enumValues[0].getElementsByTagName("group");
if (enumGroups.length > 0) {
for (var g = 0; g < enumGroups.length; g++) {
var groupOptionValues = [];
enumValues = enumGroups[g].getElementsByTagName("value");
for (var v = 0; v < enumValues.length; v++) {
var _value = enumValues[v].getAttribute("value");
var _label = enumValues[v].firstChild ? enumValues[v].firstChild.nodeValue : "";
optionValuesForRender[_value] = _label;
groupOptionValues.push({ value: _value, label: _label });
}
optionValues.push({ label: enumGroups[g].getAttribute("label"), values: groupOptionValues});
}
}
else {
enumValues = enumValues[0].getElementsByTagName("value");
for (var v = 0; v < enumValues.length; v++) {
var _value = enumValues[v].getAttribute("value");
var _label = enumValues[v].firstChild ? enumValues[v].firstChild.nodeValue : "";
optionValuesForRender[_value] = _label;
optionValues.push({ value: _value, label: _label });
}
}
}
// create new column
columns.push(new Column({
name: col.getAttribute("name"),
label: (typeof col.getAttribute("label") == 'string' ? col.getAttribute("label") : col.getAttribute("name")),
datatype: (col.getAttribute("datatype") ? col.getAttribute("datatype") : "string"),
editable: col.getAttribute("editable") == "true",
bar: (col.getAttribute("bar") ? col.getAttribute("bar") == "true" : true),
hidden: (col.getAttribute("hidden") ? col.getAttribute("hidden") == "true" : false),
optionValuesForRender: optionValuesForRender,
optionValues: optionValues
}));
}
// process columns
processColumns();
}
// load server-side pagination data
var paginator = xmlDoc.getElementsByTagName("paginator");
if (paginator && paginator.length >= 1) {
this.paginatorAttributes = null; // TODO: paginator[0].getAllAttributesAsPOJO;
this.pageCount = paginator[0].getAttribute('pagecount');
this.totalRowCount = paginator[0].getAttribute('totalrowcount');
this.unfilteredRowCount = paginator[0].getAttribute('unfilteredrowcount');
}
// if no row id is provided, we create one since we need one
var defaultRowId = 1;
// load content
var rows = xmlDoc.getElementsByTagName("row");
for (var i = 0; i < rows.length; i++)
{
// get all defined cell values
var cellValues = {};
var cols = rows[i].getElementsByTagName("column");
for (var j = 0; j < cols.length; j++) {
var colname = cols[j].getAttribute("name");
if (!colname) {
if (j >= columns.length) console.error("You defined too many columns for row " + (i+1));
else colname = columns[j].name;
}
cellValues[colname] = cols[j].firstChild ? cols[j].firstChild.nodeValue : "";
}
// for each row we keep the orginal index, the id and all other attributes that may have been set in the XML
var rowData = { visible: true, originalIndex: i, id: rows[i].getAttribute("id") !== null ? rows[i].getAttribute("id") : defaultRowId++ };
for (var attrIndex = 0; attrIndex < rows[i].attributes.length; attrIndex++) {
var node = rows[i].attributes.item(attrIndex);
if (node.nodeName != "id") rowData[node.nodeName] = node.nodeValue;
}
// get column values for this rows
rowData.columns = [];
for (var c = 0; c < columns.length; c++) {
var cellValue = columns[c].name in cellValues ? cellValues[columns[c].name] : "";
rowData.columns.push(getTypedValue(c, cellValue));
}
// add row data in our model
data.push(rowData);
}
}
return true;
};
/**
* Load metadata and/or data from a JSON url
* The callback "tableLoaded" is called when loading is complete.
*/
EditableGrid.prototype.loadJSON = function(url, callback, dataOnly)
{
this.lastURL = url;
var self = this;
// should never happen
if (!window.XMLHttpRequest) {
alert("Cannot load a JSON url with this browser!");
return false;
}
var ajaxRequest = new XMLHttpRequest();
ajaxRequest.onreadystatechange = function () {
if (this.readyState == 4) {
if (!this.responseText) { console.error("Could not load JSON from url '" + url + "'"); return false; }
if (!self.processJSON(this.responseText)) { console.error("Invalid JSON data obtained from url '" + url + "'"); return false; }
self._callback('json', callback);
}
};
ajaxRequest.open("GET", this._addUrlParameters(url, dataOnly), true);
ajaxRequest.send("");
return true;
};
EditableGrid.prototype._addUrlParameters = function(baseUrl, dataOnly)
{
// we add a dummy timestamp parameter to avoid getting an old version from the browser's cache
var sep = baseUrl.indexOf('?') >= 0 ? '&' : '?';
baseUrl += sep + (new Date().getTime());
if (!this.serverSide) return baseUrl;
// add pagination, filtering and sorting parameters to the base url
return baseUrl
+ "&page=" + (this.currentPageIndex + 1)
+ "&filter=" + (this.currentFilter ? encodeURIComponent(this.currentFilter) : "")
+ "&sort=" + (this.sortedColumnName && this.sortedColumnName != -1 ? encodeURIComponent(this.sortedColumnName) : "")
+ "&asc=" + (this.sortDescending ? 0 : 1)
+ (dataOnly ? '&data_only=1' : '');
};
EditableGrid.prototype._callback = function(type, callback)
{
if (callback) callback.call(this);
else {
if (this.serverSide) {
// deferred refreshGrid: first load the updated data from the server then call the original refreshGrid
this.refreshGrid = function(baseUrl) {
var callback = function() { EditableGrid.prototype.refreshGrid.call(this); };
var load = type == 'xml' ? this.loadXML : this.loadJSON;
load.call(this, baseUrl || this.lastURL, callback, true);
};
}
this.tableLoaded();
}
};
/**
* Load metadata and/or data from a JSON string
* No callback "tableLoaded" is called since this is a synchronous operation.
*/
EditableGrid.prototype.loadJSONFromString = function(json)
{
return this.processJSON(json);
};
/**
* Load metadata and/or data from a Javascript object
* No callback "tableLoaded" is called since this is a synchronous operation.
*/
EditableGrid.prototype.load = function(object)
{
return this.processJSON(object);
};
/**
* Update and render data for given rows from a Javascript object
*/
EditableGrid.prototype.update = function(object)
{
if (object.data) for (var i = 0; i < object.data.length; i++)
{
var row = object.data[i];
if (!row.id || !row.values) continue;
// get row to update in our model
var rowIndex = this.getRowIndex(row.id);
var rowData = this.data[rowIndex];
// row values can be given as an array (same order as columns) or as an object (associative array)
if (Object.prototype.toString.call(row.values) !== '[object Array]' ) cellValues = row.values;
else {
cellValues = {};
for (var j = 0; j < row.values.length && j < this.columns.length; j++) cellValues[this.columns[j].name] = row.values[j];
}
// set all attributes that may have been set in the JSON
for (var attributeName in row) if (attributeName != "id" && attributeName != "values") rowData[attributeName] = row[attributeName];
// get column values for this rows
rowData.columns = [];
for (var c = 0; c < this.columns.length; c++) {
var cellValue = this.columns[c].name in cellValues ? cellValues[this.columns[c].name] : "";
rowData.columns.push(this.getTypedValue(c, cellValue));
}
// render row
var tr = this.getRow(rowIndex);
for (var j = 0; j < tr.cells.length && j < this.columns.length; j++) if (this.columns[j].renderable) this.columns[j].cellRenderer._render(rowIndex, j, tr.cells[j], this.getValueAt(rowIndex,j));
this.tableRendered(this.currentContainerid, this.currentClassName, this.currentTableid);
}
};
/**
* Process the JSON content
* @private
*/
EditableGrid.prototype.processJSON = function(jsonData)
{
if (typeof jsonData == "string") jsonData = eval("(" + jsonData + ")");
if (!jsonData) return false;
// clear model and pointer to current table
this.data = [];
this.dataUnfiltered = null;
this.table = null;
// load metadata
if (jsonData.metadata) {
// create columns
this.columns = [];
for (var c = 0; c < jsonData.metadata.length; c++) {
var columndata = jsonData.metadata[c];
var optionValues = columndata.values ? this._convertOptions(columndata.values) : null;
var optionValuesForRender = null;
if (optionValues) {
// build a fast lookup structure for rendering
var optionValuesForRender = {};
for (var optionIndex = 0; optionIndex < optionValues.length; optionIndex++) {
var optionValue = optionValues[optionIndex];
if (typeof optionValue.values == 'object') {
for (var groupOptionIndex = 0; groupOptionIndex < optionValue.values.length; groupOptionIndex++) {
var groupOptionValue = optionValue.values[groupOptionIndex];
optionValuesForRender[groupOptionValue.value] = groupOptionValue.label;
}
}
else optionValuesForRender[optionValue.value] = optionValue.label;
}
}
this.columns.push(new Column({
name: columndata.name,
label: (columndata.label ? columndata.label : columndata.name),
datatype: (columndata.datatype ? columndata.datatype : "string"),
editable: (columndata.editable ? true : false),
bar: (typeof columndata.bar == 'undefined' ? true : (columndata.bar || false)),
hidden: (typeof columndata.hidden == 'undefined' ? false : (columndata.hidden ? true : false)),
optionValuesForRender: optionValuesForRender,
optionValues: optionValues
}));
}
// process columns
this.processColumns();
}
// load server-side pagination data
if (jsonData.paginator) {
this.paginatorAttributes = jsonData.paginator;
this.pageCount = jsonData.paginator.pagecount;
this.totalRowCount = jsonData.paginator.totalrowcount;
this.unfilteredRowCount = jsonData.paginator.unfilteredrowcount;
}
// if no row id is provided, we create one since we need one
var defaultRowId = 1;
// load content
if (jsonData.data) for (var i = 0; i < jsonData.data.length; i++)
{
var row = jsonData.data[i];
if (!row.values) continue;
// row values can be given as an array (same order as columns) or as an object (associative array)
if (Object.prototype.toString.call(row.values) !== '[object Array]' ) cellValues = row.values;
else {
cellValues = {};
for (var j = 0; j < row.values.length && j < this.columns.length; j++) cellValues[this.columns[j].name] = row.values[j];
}
// for each row we keep the orginal index, the id and all other attributes that may have been set in the JSON
var rowData = { visible: true, originalIndex: i, id: row.id !== undefined && row.id !== null ? row.id : defaultRowId++ };
for (var attributeName in row) if (attributeName != "id" && attributeName != "values") rowData[attributeName] = row[attributeName];
// get column values for this rows
rowData.columns = [];
for (var c = 0; c < this.columns.length; c++) {
var cellValue = this.columns[c].name in cellValues ? cellValues[this.columns[c].name] : "";
rowData.columns.push(this.getTypedValue(c, cellValue));
}
// add row data in our model
this.data.push(rowData);
}
return true;
};
/**
* Process columns
* @private
*/
EditableGrid.prototype.processColumns = function()
{
for (var columnIndex = 0; columnIndex < this.columns.length; columnIndex++) {
var column = this.columns[columnIndex];
// set column index and back pointer
column.columnIndex = columnIndex;
column.editablegrid = this;
// parse column type
this.parseColumnType(column);
// create suited enum provider if none given
if (!column.enumProvider) column.enumProvider = column.optionValues ? new EnumProvider() : null;
// create suited cell renderer if none given
if (!column.cellRenderer) this._createCellRenderer(column);
if (!column.headerRenderer) this._createHeaderRenderer(column);
// create suited cell editor if none given
if (!column.cellEditor) this._createCellEditor(column);
if (!column.headerEditor) this._createHeaderEditor(column);
// add default cell validators based on the column type
this._addDefaultCellValidators(column);
}
};
/**
* Parse column type
* @private
*/
EditableGrid.prototype.parseColumnType = function(column)
{
// reset
column.unit = null;
column.precision = -1;
column.decimal_point = ',';
column.thousands_separator = '.';
column.unit_before_number = false;
column.nansymbol = '';
// extract precision, unit and number format from type if 6 given
if (column.datatype.match(/(.*)\((.*),(.*),(.*),(.*),(.*),(.*)\)$/)) {
column.datatype = RegExp.$1;
column.unit = RegExp.$2;
column.precision = parseInt(RegExp.$3);
column.decimal_point = RegExp.$4;
column.thousands_separator = RegExp.$5;
column.unit_before_number = RegExp.$6;
column.nansymbol = RegExp.$7;
// trim should be done after fetching RegExp matches beacuse it itself uses a RegExp and causes interferences!
column.unit = column.unit.trim();
column.decimal_point = column.decimal_point.trim();
column.thousands_separator = column.thousands_separator.trim();
column.unit_before_number = column.unit_before_number.trim() == '1';
column.nansymbol = column.nansymbol.trim();
}
// extract precision, unit and number format from type if 5 given
else if (column.datatype.match(/(.*)\((.*),(.*),(.*),(.*),(.*)\)$/)) {
column.datatype = RegExp.$1;
column.unit = RegExp.$2;
column.precision = parseInt(RegExp.$3);
column.decimal_point = RegExp.$4;
column.thousands_separator = RegExp.$5;
column.unit_before_number = RegExp.$6;
// trim should be done after fetching RegExp matches beacuse it itself uses a RegExp and causes interferences!
column.unit = column.unit.trim();
column.decimal_point = column.decimal_point.trim();
column.thousands_separator = column.thousands_separator.trim();
column.unit_before_number = column.unit_before_number.trim() == '1';
}
// extract precision, unit and nansymbol from type if 3 given
else if (column.datatype.match(/(.*)\((.*),(.*),(.*)\)$/)) {
column.datatype = RegExp.$1;
column.unit = RegExp.$2.trim();
column.precision = parseInt(RegExp.$3);
column.nansymbol = RegExp.$4.trim();
}
// extract precision and unit from type if two given
else if (column.datatype.match(/(.*)\((.*),(.*)\)$/)) {
column.datatype = RegExp.$1.trim();
column.unit = RegExp.$2.trim();
column.precision = parseInt(RegExp.$3);
}
// extract precision or unit from type if any given
else if (column.datatype.match(/(.*)\((.*)\)$/)) {
column.datatype = RegExp.$1.trim();
var unit_or_precision = RegExp.$2.trim();
if (unit_or_precision.match(/^[0-9]*$/)) column.precision = parseInt(unit_or_precision);
else column.unit = unit_or_precision;
}
if (column.decimal_point == 'comma') column.decimal_point = ',';
if (column.decimal_point == 'dot') column.decimal_point = '.';
if (column.thousands_separator == 'comma') column.thousands_separator = ',';
if (column.thousands_separator == 'dot') column.thousands_separator = '.';
if (isNaN(column.precision)) column.precision = -1;
if (column.unit == '') column.unit = null;
if (column.nansymbol == '') column.nansymbol = null;
};
/**
* Get typed value
* @private
*/
EditableGrid.prototype.getTypedValue = function(columnIndex, cellValue)
{
if (cellValue === null) return cellValue;
var colType = this.getColumnType(columnIndex);
if (colType == 'boolean') cellValue = (cellValue && cellValue != 0 && cellValue != "false" && cellValue != "f") ? true : false;
if (colType == 'integer') { cellValue = parseInt(cellValue, 10); }
if (colType == 'double') { cellValue = parseFloat(cellValue); }
if (colType == 'string') { cellValue = "" + cellValue; }
return cellValue;
};
/**
* Attach to an existing HTML table.
* The second parameter can be used to give the column definitions.
* This parameter is left for compatibility, but is deprecated: you should now use "load" to setup the metadata.
*/
EditableGrid.prototype.attachToHTMLTable = function(_table, _columns)
{
// clear model and pointer to current table
this.data = [];
this.dataUnfiltered = null;
this.table = null;
// process columns if given
if (_columns) {
this.columns = _columns;
for (var columnIndex = 0; columnIndex < this.columns.length; columnIndex++) this.columns[columnIndex].optionValues = this._convertOptions(this.columns[columnIndex].optionValues); // convert options from old format if needed
this.processColumns();
}
// get pointers to table components
this.table = typeof _table == 'string' ? _$(_table) : _table ;
if (!this.table) console.error("Invalid table given: " + _table);
this.tHead = this.table.tHead;
this.tBody = this.table.tBodies[0];
// create table body if needed
if (!this.tBody) {
this.tBody = document.createElement("TBODY");
this.table.insertBefore(this.tBody, this.table.firstChild);
}
// create table header if needed
if (!this.tHead) {
this.tHead = document.createElement("THEAD");
this.table.insertBefore(this.tHead, this.tBody);
}
// if header is empty use first body row as header
if (this.tHead.rows.length == 0 && this.tBody.rows.length > 0)
this.tHead.appendChild(this.tBody.rows[0]);
// get number of rows in header
this.nbHeaderRows = this.tHead.rows.length;
// load header labels
var rows = this.tHead.rows;
for (var i = 0; i < rows.length; i++) {
var cols = rows[i].cells;
var columnIndexInModel = 0;
for (var j = 0; j < cols.length && columnIndexInModel < this.columns.length; j++) {
if (!this.columns[columnIndexInModel].label || this.columns[columnIndexInModel].label == this.columns[columnIndexInModel].name) this.columns[columnIndexInModel].label = cols[j].innerHTML;
var colspan = parseInt(cols[j].getAttribute("colspan"));
columnIndexInModel += colspan > 1 ? colspan : 1;
}
}
// load content
var rows = this.tBody.rows;
for (var i = 0; i < rows.length; i++) {
var rowData = [];
var cols = rows[i].cells;
for (var j = 0; j < cols.length && j < this.columns.length; j++) rowData.push(this.getTypedValue(j, cols[j].innerHTML));
this.data.push({ visible: true, originalIndex: i, id: rows[i].id, columns: rowData });
rows[i].rowId = rows[i].id;
rows[i].id = this._getRowDOMId(rows[i].id);
}
};
/**
* Creates a suitable cell renderer for the column
* @private
*/
EditableGrid.prototype._createCellRenderer = function(column)
{
column.cellRenderer =
column.enumProvider && column.datatype == "list" && typeof MultiselectCellRenderer != 'undefined' ? new MultiselectCellRenderer() :
column.enumProvider ? new EnumCellRenderer() :
column.datatype == "integer" || column.datatype == "double" ? new NumberCellRenderer() :
column.datatype == "boolean" ? new CheckboxCellRenderer() :
column.datatype == "email" ? new EmailCellRenderer() :
column.datatype == "website" || column.datatype == "url" ? new WebsiteCellRenderer() :
column.datatype == "date" ? new DateCellRenderer() :
new CellRenderer();
// give access to the column from the cell renderer
if (column.cellRenderer) {
column.cellRenderer.editablegrid = this;
column.cellRenderer.column = column;
}
};
/**
* Creates a suitable header cell renderer for the column
* @private
*/
EditableGrid.prototype._createHeaderRenderer = function(column)
{
column.headerRenderer = (this.enableSort && column.datatype != "html") ? new SortHeaderRenderer(column.name) : new CellRenderer();
// give access to the column from the header cell renderer
if (column.headerRenderer) {
column.headerRenderer.editablegrid = this;
column.headerRenderer.column = column;
}
};
/**
* Creates a suitable cell editor for the column
* @private
*/
EditableGrid.prototype._createCellEditor = function(column)
{
column.cellEditor =
column.enumProvider && column.datatype == "list" && typeof MultiselectCellEditor != 'undefined' ? new MultiselectCellEditor() :
column.enumProvider ? new SelectCellEditor() :
column.datatype == "integer" || column.datatype == "double" ? new NumberCellEditor(column.datatype) :
column.datatype == "boolean" ? null :
column.datatype == "email" ? new TextCellEditor(column.precision) :
column.datatype == "website" || column.datatype == "url" ? new TextCellEditor(column.precision) :
column.datatype == "date" ? (typeof jQuery == 'undefined' || typeof jQuery.datepicker == 'undefined' ? new TextCellEditor(column.precision, 10) : new DateCellEditor({ fieldSize: column.precision, maxLength: 10 })) :
new TextCellEditor(column.precision);
// give access to the column from the cell editor
if (column.cellEditor) {
column.cellEditor.editablegrid = this;
column.cellEditor.column = column;
}
};
/**
* Creates a suitable header cell editor for the column
* @private
*/
EditableGrid.prototype._createHeaderEditor = function(column)
{
column.headerEditor = new TextCellEditor();
// give access to the column from the cell editor
if (column.headerEditor) {
column.headerEditor.editablegrid = this;
column.headerEditor.column = column;
}
};
/**
* Returns the number of rows
*/
EditableGrid.prototype.getRowCount = function()
{
return this.data.length;
};
/**
* Returns the number of rows, not taking the filter into account if any
*/
EditableGrid.prototype.getUnfilteredRowCount = function()
{
// given if server-side filtering is involved
if (this.unfilteredRowCount > 0) return this.unfilteredRowCount;
var _data = this.dataUnfiltered == null ? this.data : this.dataUnfiltered;
return _data.length;
};
/**
* Returns the number of rows in all pages
*/
EditableGrid.prototype.getTotalRowCount = function()
{
// different from getRowCount only is server-side pagination is involved
if (this.totalRowCount > 0) return this.totalRowCount;
return this.getRowCount();
};
/**
* Returns the number of columns
*/
EditableGrid.prototype.getColumnCount = function()
{
return this.columns.length;
};
/**
* Returns true if the column exists
* @param {Object} columnIndexOrName index or name of the column
*/
EditableGrid.prototype.hasColumn = function(columnIndexOrName)
{
return this.getColumnIndex(columnIndexOrName) >= 0;
};
/**
* Returns the column
* @param {Object} columnIndexOrName index or name of the column
*/
EditableGrid.prototype.getColumn = function(columnIndexOrName)
{