【发布时间】：2019-07-21 18:39:51
【问题描述】：
我正在尝试动态编辑单元格值，但某些组件无法正常工作，例如 MoodCellRenderer 和 NumericCellEditor。其他编辑器组件工作正常。
你能帮我完成它吗？
import React, {Component} from "react";
import {render} from "react-dom";
import {AgGridReact} from "ag-grid-react";
import "ag-grid-enterprise";
import 'bootstrap/dist/js/bootstrap.js';
function cloneObject(obj) {
return JSON.parse(JSON.stringify(obj));
}
class Example8 extends Component {
constructor(props) {
super(props);
this.state = {
columnDefs: [{
headerName: "Value",
field: "value",
width: 100,
editable: true,
cellEditorSelector: function(params) {
if (params.data.type === 'age') return {
component: 'numericCellEditor'
};
if (params.data.type === 'gender') return {
component: 'agRichSelectCellEditor',
params: {
values: ['Male', 'Female']
}
};
if (params.data.type === 'mood') return {
component: 'moodEditor'
};
return null;
}
},
{
headerName: "Type",
field: "type",
width: 100
}
],
rowData: [{
value: 14,
type: 'age'
},
{
value: 'female',
type: 'gender'
},
{
value: "Happy",
type: 'mood'
},
{
value: 21,
type: 'age'
},
{
value: 'male',
type: 'gender'
},
{
value: "Sad",
type: 'mood'
}
],
gridOptions: {
onRowEditingStarted: function(event) {
console.log('never called - not doing row editing');
},
onRowEditingStopped: function(event) {
console.log('never called - not doing row editing');
},
onCellEditingStarted: function(event) {
console.log('cellEditingStarted');
},
onCellEditingStopped: function(event) {
console.log('cellEditingStopped');
},
components: {
genderCellRenderer: GenderCellRenderer,
numericCellEditor: NumericCellEditor,
moodCellRenderer: MoodCellRenderer,
moodEditor: MoodEditor,
countryCellRenderer: CountryCellRenderer
}
}
};
}
onGridReady = params => {
this.gridApi = params.api;
this.gridColumnApi = params.columnApi;
params.api.sizeColumnsToFit();
};
render() {
return (
<div style={{ width: "100%", height: "100%" }}>
<div
id="myGrid"
style={{
height: "100%",
width: "100%"
}}
className="ag-theme-balham"
>
<AgGridReact
columnDefs={this.state.columnDefs}
components={this.state.components}
rowData={this.state.rowData}
onGridReady={this.onGridReady}
/>
</div>
</div>
);
}
}
function getCharCodeFromEvent(event) {
event = event || window.event;
return (typeof event.which == "undefined") ? event.keyCode : event.which;
}
function isCharNumeric(charStr) {
return !!/\d/.test(charStr);
}
function isKeyPressedNumeric(event) {
var charCode = getCharCodeFromEvent(event);
var charStr = String.fromCharCode(charCode);
return isCharNumeric(charStr);
}
// simple function cellRenderer, just returns back the name of the country
function CountryCellRenderer(params) {
return params.value.name;
}
// function to act as a class
function NumericCellEditor() {}
// gets called once before the renderer is used
NumericCellEditor.prototype.init = function(params) {
// create the cell
this.eInput = document.createElement('input');
if (isCharNumeric(params.charPress)) {
this.eInput.value = params.charPress;
} else {
if (params.value !== undefined && params.value !== null) {
this.eInput.value = params.value;
}
}
var that = this;
this.eInput.addEventListener('keypress', function(event) {
if (!isKeyPressedNumeric(event)) {
that.eInput.focus();
if (event.preventDefault) event.preventDefault();
} else if (that.isKeyPressedNavigation(event)) {
event.stopPropagation();
}
});
// only start edit if key pressed is a number, not a letter
var charPressIsNotANumber = params.charPress && ('1234567890'.indexOf(params.charPress) < 0);
this.cancelBeforeStart = charPressIsNotANumber;
};
NumericCellEditor.prototype.isKeyPressedNavigation = function(event) {
return event.keyCode === 39 ||
event.keyCode === 37;
};
// gets called once when grid ready to insert the element
NumericCellEditor.prototype.getGui = function() {
return this.eInput;
};
// focus and select can be done after the gui is attached
NumericCellEditor.prototype.afterGuiAttached = function() {
this.eInput.focus();
};
// returns the new value after editing
NumericCellEditor.prototype.isCancelBeforeStart = function() {
return this.cancelBeforeStart;
};
// example - will reject the number if it contains the value 007
// - not very practical, but demonstrates the method.
NumericCellEditor.prototype.isCancelAfterEnd = function() {
var value = this.getValue();
return value.indexOf('007') >= 0;
};
// returns the new value after editing
NumericCellEditor.prototype.getValue = function() {
return this.eInput.value;
};
// any cleanup we need to be done here
NumericCellEditor.prototype.destroy = function() {
// but this example is simple, no cleanup, we could even leave this method out as it's optional
};
// if true, then this editor will appear in a popup
NumericCellEditor.prototype.isPopup = function() {
// and we could leave this method out also, false is the default
return false;
};
function GenderCellRenderer() {}
GenderCellRenderer.prototype.init = function(params) {
this.eGui = document.createElement('span');
if (params.value !== "" || params.value !== undefined || params.value !== null) {
var gender = '<img border="0" width="15" height="10" src="https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/images/' + params.value.toLowerCase() + '.png">';
this.eGui.innerHTML = gender + ' ' + params.value;
}
};
GenderCellRenderer.prototype.getGui = function() {
return this.eGui;
};
function MoodCellRenderer() {}
MoodCellRenderer.prototype.init = function(params) {
this.eGui = document.createElement('span');
if (params.value !== "" || params.value !== undefined || params.value !== null) {
var imgForMood = params.value === 'Happy' ? 'https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/images/smiley.png' : 'https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/images/smiley-sad.png';
this.eGui.innerHTML = '<img width="20px" src="' + imgForMood + '" />';
}
};
MoodCellRenderer.prototype.getGui = function() {
return this.eGui;
};
function MoodEditor() {
this.defaultImgStyle = 'padding-left:10px; padding-right:10px; border: 1px solid transparent; padding: 4px;';
this.selectedImgStyle = 'padding-left:10px; padding-right:10px; border: 1px solid lightgreen; padding: 4px;';
}
MoodEditor.prototype.onKeyDown = function(event) {
var key = event.which || event.keyCode;
if (key == 37 || // left
key == 39) { // right
this.toggleMood();
event.stopPropagation();
}
};
MoodEditor.prototype.toggleMood = function() {
this.selectMood(this.mood === 'Happy' ? 'Sad' : 'Happy');
};
MoodEditor.prototype.init = function(params) {
this.container = document.createElement('div');
this.container.style = "border-radius: 15px; border: 1px solid grey;background: #e6e6e6;padding: 15px; text-align:center;display:inline-block;outline:none";
this.container.tabIndex = "0"; // to allow the div to capture keypresses
this.happyImg = document.createElement('img');
this.happyImg.src = 'https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/images/smiley.png';
this.happyImg.style = this.defaultImgStyle;
this.sadImg = document.createElement('img');
this.sadImg.src = 'https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/images/smiley-sad.png';
this.sadImg.style = this.defaultImgStyle;
this.container.appendChild(this.happyImg);
this.container.appendChild(this.sadImg);
var that = this;
this.happyImg.addEventListener('click', function(event) {
that.selectMood('Happy');
params.stopEditing();
});
this.sadImg.addEventListener('click', function(event) {
that.selectMood('Sad');
params.stopEditing();
});
this.container.addEventListener('keydown', function(event) {
that.onKeyDown(event)
});
this.selectMood(params.value);
};
MoodEditor.prototype.selectMood = function(mood) {
this.mood = mood;
this.happyImg.style = (mood === 'Happy') ? this.selectedImgStyle : this.defaultImgStyle;
this.sadImg.style = (mood === 'Sad') ? this.selectedImgStyle : this.defaultImgStyle;
};
// gets called once when grid ready to insert the element
MoodEditor.prototype.getGui = function() {
return this.container;
};
MoodEditor.prototype.afterGuiAttached = function() {
this.container.focus();
};
MoodEditor.prototype.getValue = function() {
return this.mood;
};
// any cleanup we need to be done here
MoodEditor.prototype.destroy = function() {};
MoodEditor.prototype.isPopup = function() {
return true;
};
// setup the grid after the page has finished loading
export default Example8;
【问题讨论】：
标签： reactjs ag-grid ag-grid-react