using ag-grid 21.0.1,
my onSortChanged handler is not triggering when the user changes the grid sort by clicking on the column header.
function sortHandler(sortEvent: SortChangedEvent) {
sortEvent.api.refreshCells({
columns: sortEvent.api.getSortModel().map((c: any) => c.colId)
});
}
return (
<AgGridReact
headerHeight={headerHeight}
rowData={data}
gridOptions={gridOptions}
pinnedBottomRowData={footerRow}
pinnedTopRowData={headerRow}
onSortChanged={sortHandler}
/>
doesn't matter if I pass sortHandler as a prop to the react component or I declare it on the gridOptions object
Related
I'm attempting to add search functionality to a data grid component. In order to achieve this, I'm adding an input element to the table using the components.header prop as follows (I've omitted irrelevant code):
const Table = () => {
const filterRows = (rows) => {
return rows;
};
const [searchTerm, setSearchTerm] = useState("");
const Header = () => (
<input
value={searchTerm}
onChange={(event) => setSearchTerm(event.target.value)}
/>
);
return (
<div style={{ height: 500 }}>
<DataGrid
rows={searchTerm ? filterRows(orders) : orders}
columns={orderColumns}
components={{
header: () => <Header />
}}
/>
</div>
);
};
The issue I'm having is that the input element loses focus each time a character is entered into the input in the header. Presumably, this is because it updates state, which triggers a re-render. This makes it impossible to share and access state of anything contained inside the Data Grid's components because it requires a React.FC argument and won't accept a ReactElement so the input is always re-rendered.
Am I missing something or is this actually not possible with Material UI's Data Grid? It seems like a pretty expected use-case to have something stateful in the header that we'd want to access like a controlled input component in order to use it as a kind of "Tool bar" as mentioned in the Material UI docs.
I've created a code sandbox to replicate the issue here: https://codesandbox.io/s/compassionate-keldysh-z995k?file=/src/App.js:246-726.
Cheers.
Goals
I am trying to add row selection functionality which is connected between the master grid and detail grid.
When a checkbox on a master grid row is selected, I want to select all the checkboxes in the associated detail grid.
When a checkbox on a master grid row is deselected, I want to deselect all the checkboxes in the associated detail grid.
When only partial checkboxes inside of a detail grid are selected, I want the master grid row to show a partial selection icon in the checkbox.
I want to keep count of how many items were selected in all of the detail grids
Questions/Problems
All of this functionality already exists for Groups, but I cannot get it to work for Master/Detail. I've tried adding in the line that I believe should add this for Groups cellRendererParams: {checkbox: true}, but that does nothing for the detail grid.
I've also tried implementing the functionality myself, but I hit a couple of roadblocks.
I don't know how to set the partial-checkbox icon manually or if that's even possible.
I implemented the onSelectionChanged event handler for the detail grid, but inside of the function it looks like I can't access the Angular component context to update the count of selected items. Not sure how to pass in the context this.
Code that I have working so far:
When a checkbox on a master grid is selected/deselected, the checkboxes in the associated detail grid are all selected/deselected.
public onMasterRowSelected() {
this.gridOptions.api.forEachNode(masterRowNode => {
if(masterRowNode.isSelected()) {
this.gridOptions.api.getDetailGridInfo(`detail_${masterRowNode.id}`).api.selectAll();
} else {
this.gridOptions.api.getDetailGridInfo(`detail_${masterRowNode.id}`).api.forEachNode(detailRowNode => detailRowNode.setSelected(false));
}
});
}
Added the onSelectionChanged() event listener for the detail grid.
constructor() {
this.gridOptions = {
...
detailCellRendererParams: {
getDetailRowData: function(params) {
params.successCallback(params.data.items); // Defines where to find the detail fields out of the rowData object
},
detailGridOptions: {
rowSelection: 'multiple',
defaultColDef: {
sortable: true
},
getRowNodeId: function (rowData) {
return rowData.id; // detail items are indexed by id field
},
onSelectionChanged: function (params) {
console.log(this); // I expected this to print out my Angular component object, but instead it prints out this.gridOptions.detailCellRendererParams.detailGridOptions
console.log("TEST"); // I know that this function is successfully being called because this line is printed
this.selectedItems = 0;
params.api.forEachNode(detailRowNode => {
if(detailRowNode.isSelected()) {
this.selectedObs++; // I believe that this would work if I had access to the correct "this" context
}
});
},
columnDefs: [
{headerName: 'Column 1', field: 'column1', checkboxSelection: true},
{headerName: 'Column 2', field: 'column2'},
]
}
}
};
}
Here is an Angular example where you can push the parent component as a reference to the detail grid and set it as its context. Doing this allows you to register a component method as a callback for the detail grid's onRowSelected method.
https://stackblitz.com/edit/ag-grid-detailrow-selectcallback?file=src/app/app.component.ts
Move the onSelectionChanged(params) function to the same level as the detailCellRendererParams object.
internalOnSelectionChanged(params)
{
this.detailGridApi = params.api;
this.detailGridColumnApi = params.columnApi;
console.log(this);
}
Then, on the onSelectionChanged, do this:
onSelectionChanged: this.internalOnSelectionChanged.bind(this);
This solved my issues that were very similar to yours.
I am trying to implement List in material-ui. And i am trying to display randomly generated array of elements, they are being displayed with scrollbar list as i want. But i want to select that particular List Item which is the issue as i m unable to select it, even by using on click. So can anyone help me in this.
Here is my code:
var MuiListElement = React.createClass(
{
handleClick() {
console.log("secondList clicked")
},
render()
{
let faker = require('faker')
let myItems = []
for(let i = 0; i < 5000; i++)
{
let name = faker.Name.findName()
myItems.push(<ListItem onClick={this.handleClick()} key={i.toString()}>{name}</ListItem>)
}
return(
<div style={{width:'400px'}}>
<Paper style={{maxHeight: 200, overflow: 'auto'}}>
<List selectable='true'>
{myItems}
</List>
</Paper>
</div>
)
}
}
)
this.handleClick() calls handleClick function during your render, you should call it when the user clicks the list item. You wan't to pass the function to onClick, not call the function.
myItems.push(
<ListItem
onClick={this.handleClick} //pass function, don't call function
key={i}> //note: you can pass key as number
{name}
</ListItem>)
Now let me predict the future, you would like to know what item was clicked. You can use bind.
myItems.push(
<ListItem
onClick={this.handleClick.bind(this, i)} //bind returns a function
key={i}>
{name}
</ListItem>)
now you know what was passed
handleClick(i) {
console.log("secondList clicked", i)
},
However, every time you render, you are creating a new function and will slightly degrade performance.
See this discussion,
React js onClick can't pass value to method
Let me know if you don't understand.
I am programmatically rendering multiple SelectField and DropDownMenu components. I am trying to work with a single onChange handler functions, but I'm have not found a way to reference specific SelectField / DropDownMenu that triggered the event so I can update state accordingly.
The params passed for the onChange event seem not to contain any helpful information to identify the firing components. Any ideas?
Here's an example of how this can be done
https://jsfiddle.net/davidebarros/k9ng7bk9/
This is assuming you are familiar with the es6 arrow function syntax.
state = {
dropDown1: 1,
dropDown2: 4,
selectfield1: null,
selectfield2: null
}
onChange = (type) => (event, index, value) => {
this.setState({
[type]: value
})
//In your render method
<SelectField
floatingLabelText="Select Field 1"
value={this.state.selectfield1}
onChange={this.onChange("selectfield1")}>
<MenuItem value={1} primaryText="Select 1, value 1" />
<MenuItem value={2} primaryText="Select 1, value 2" />
</SelectField>
I've been on this one for days, and all my reading hasn't helped me find a clean solution for this particular case.
Issue
I can send a parent state value and callback down to a nested component, but once the callback is triggered in the child I don't know how I can send the updated value back to the parent so it can update the correct value.
For instance
Parent Component (Has values and the callback)
Child Component (Values and callback is passed here)
Grand Child Component (Values Updated here and callback triggered)
What is SEEMS to cause the Issue
It seems the issue is I need the original key name in order for "setState" to update the correct value in the parent component(or at least it seems that way), but the child component only has original value and new updated value and has no access to the key associated with original value in the parent component.
Important Notes on Best Practice Surrounding this question
-From what I understand it is bad practice to use refs to handle nested situations like this.
-It seems like there is a cleaner solution than sending a prop for the key and another for the value.
-I'm assuming also that flux might provide a solution to this issue but I feel that there is a basic component to component communication technique or principle that I'm missing here.
Here is a bare bones example of what I'm dealing with.
/*All the values need to be updated here so that the inputs can used for calculation and then sent to a component that displays the output*/
var Calculator =
React.createClass({
getInitialState:function(){
return {
value1: "Enter value 1", /*These values are passed to a nested child component, can't figure how to update the right one*/
value2: "Enter value 2",
}
},
update: function(update){
this.setState(
update
);
},
render: function () {
return (
<div>
<h2>Input</h2>
<Input onClick={this.handleClick} update={this.update} value1={this.state.value1} value2={this.state.value2} /> //pass the values here
<h2>Output</h2>
<Output />
</div>
);
},
handleClick: function () {
//want to update the state for the correct value here
}
});
/* A compenent that is a middle layer between the parent and nested child component I'm working with*/
var Input =
React.createClass({
update: function(){
this.props.update();
},
render:function(){
return (
<div>
<p><InputComponent update={this.update} value={this.props.value1} /> / <InputComponent value={this.props.value2}/></p>//passing down values again
<p><ButtonComponent onClick={this.props.onClick} /></p>
</div>
)
}
});
/*This is the child component that gets the value and call back from the top level component. It will get updates to the values and send them back to change state of the parent component.*/
var InputComponent =
React.createClass({
handleChange: function(event) {
this.props.update();
},
render: function() {
return <input type="text" value={this.props.value} onChange={this.handleChange} />; //this props value has no key associated with it. Cant't make update object ie {originalkey:newValue}
}
});
/* This component is triggered to carry out calculations in the parent class.*/
var ButtonComponent =
React.createClass({
render:function(){
return <button onClick={this.handleClick}> {this.props.txt} </button>
},
handleClick: function(){
this.props.onClick();
}
});
/*The inputs will be calculated and turned to outputs that will displayed here.This component doesn't matter for the question so I left it empty*/
var Output =
React.createClass({
});
Here's an example I just put together on jsfiddle.
Instead of putting update in setState, we pass a value to update from the child component and let the parent set its state.
In the parent, we have:
_update: function(val){
this.setState({
msg: val
});
},
render: function() {
return (
<div>
<p>Message: {this.state.msg}</p>
<Child _update={this._update} />
</div>
);
}
And in the child, we have a _handleClick function that calls the parent _update function with values:
_handleClick: function(){
this.props._update(React.findDOMNode(this.refs.text).value);
},
render: function(){
return (
<div>
<input type="text" ref="text" />
<button onClick={this._handleClick}>Update</button>
</div>
);
}