Question

我想用SlickGrid模仿电子表格的特定行为。用户：

点击要激活的单元格
输入=sum(或任何公式，
原始单元格地址已保存
用户选择单元格范围（我假设原始单元格关闭了编辑器）
焦点返回到原始单元格，并附加新的单元格范围。即= sum（r1c1，r2c2）。

让我失望的是需要改变焦点。

var cell_with_formula = null;
grid = new Grid($("#myGrid"), data, columns, options);

// save original cell address, but there is no onBlur event
grid.onBlur = function(args){
  cell_with_formula = args; // save address
}; 

grid.onCellRangeSelected = function(){
  if(cell_with_formula){
    // check if cell_with_formula has `=` at begining
    // if so, append selected range    
    cell_with_formula = null;
  }
};

提前致谢！

Answer 1

这在SlickGrid 1.4.x中是不可能的，但在目前仍处于活动开发状态的2.0版本中将受到支持。 alpha被托管在GitHub上的一个单独的分支 - https://github.com/mleibman/SlickGrid/tree/v2.0a中，我刚用一个例子检查了支持这个的初步代码。请参阅https://github.com/mleibman/SlickGrid/commit/17b1bb8f3c43022ee6aec89dcab185cd368b8785。

这是一个基本的公式编辑器实现：

function FormulaEditor(args) {
    var _self = this;
    var _editor = new TextCellEditor(args);
    var _selector;

    $.extend(this, _editor);

    function init() {
        // register a plugin to select a range and append it to the textbox
        // since events are fired in reverse order (most recently added are executed first),
        // this will override other plugins like moverows or selection model and will
        // not require the grid to not be in the edit mode
        _selector = new Slick.CellRangeSelector();
        _selector.onCellRangeSelected.subscribe(_self.handleCellRangeSelected);
        args.grid.registerPlugin(_selector);
    }

    this.destroy = function() {
        _selector.onCellRangeSelected.unsubscribe(_self.handleCellRangeSelected);
        grid.unregisterPlugin(_selector);
        _editor.destroy();
    };

    this.handleCellRangeSelected = function(e, args) {
        _editor.setValue(_editor.getValue() + args.range);
    };


    init();
}

Excel喜欢SlickGrid的行为

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