110 lines
1.6 KiB
JavaScript
110 lines
1.6 KiB
JavaScript
/**
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* Represents a grid column. This is an abstract class and should not be
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* instantiated directly.
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**/
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module.exports = new Class
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({
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Extends: Vn.Object
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,Tag: 'htk-column'
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,Properties:
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{
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value:
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{
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type: String
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,value: null
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},
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column:
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{
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type: String
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,value: null
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},
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columnIndex:
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{
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type: Number
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,value: -1
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},
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title:
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{
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type: String
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,value: null
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},
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editable:
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{
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type: Boolean
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,value: false
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},
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renderer:
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{
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type: Function
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,value: false
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},
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class:
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{
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type: String
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,set: function (x)
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{
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this._userCssClass = x;
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if (this._cssClass)
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this._cssClass = x +' '+ this._cssClass;
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else
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this._cssClass = x;
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}
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,get: function ()
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{
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return this._userCssClass;
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}
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}
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}
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,_cssClass: null
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,_userCssClass: null
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/**
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* Initializes the column.
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**/
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,initialize: function (props)
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{
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this.td = document.createElement ('td');
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this.parent (props);
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}
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,renderHeader: function ()
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{
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var th = document.createElement ('th');
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if (this.title)
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th.appendChild (document.createTextNode (this.title));
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return th;
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}
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/**
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* Draws the cell and returns its associated td.
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*
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* @param {HTMLTableRow} tr the table row
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* @return {HTMLTableData} the rendered cell
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**/
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,render: function (tr)
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{
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var td = this.td.cloneNode (true);
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if (this._cssClass)
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td.className = this._cssClass;
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return td;
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}
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,updateColumnIndex: function (model)
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{
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if (this.column)
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this.columnIndex = model.getColumnIndex (this.column);
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}
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,changed: function (tr, newValue)
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{
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this.signalEmit ('changed', tr.rowIndex - 1, newValue);
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}
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});
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