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esri/arcgis
esri/dijit
esri/dijit/analysis
esri/dijit/geoenrichment
esri/dijit/geoenrichment/ReportPlayer
esri/geometry
esri/layers
esri/renderers
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Class: OperationBase
[ AMD Module Require | Legacy Module Require ]
dojo.require("esri.OperationBase")
Description
(Added at v2.2)
The OperationBase class defines operations that can be added to the UndoManager. Extend this class to create custom operations. The following edit operations in the esri/dijit/editing namespace inherit from this class.
| Operation Name | Constructor |
| Add |
new Add(params)
|
| Delete |
new Delete(params)
|
| Update |
new Update(params)
|
| Cut |
new Cut(params)
|
| Union |
new Union(params)
|
Samples
Search for samples that use this class.Subclasses
Constructors
| Name | Summary |
|---|---|
| new esri.OperationBase(params) | Creates a new OperationBase object. |
Properties
| Name | Type | Summary |
|---|---|---|
| label | String | Details about the operation, for example: "Update" may be the label for an edit operation that updates features. |
| type | String | The type of operation, for example: "edit" or "navigation". |
Methods
| Name | Return type | Summary |
|---|---|---|
| performRedo() | None | Re-perform the last undo operation. |
| performUndo() | None | Reverse the operation. |
Constructor Details
Creates a new OperationBase object.
Parameters:
< |
Required | See options list for parameters. |
params properties: < |
Optional | Provide information about the operation. |
< |
Optional | Specify the type of operation, for example: "edit" or "navigation". |
Sample:
dojo.declare("myModules.customoperation.Add", esri.OperationBase, {
label: "Add Graphic",
constructor: function ( /*graphicsLayer, addedGraphic*/ params) {
params = params || {};
if (!params.graphicsLayer) {
console.error("graphicsLayer is not provided");
return;
}
this.graphicsLayer = params.graphicsLayer;
if (!params.addedGraphic) {
console.error("no graphics provided");
return;
}
this._addedGraphic = params.addedGraphic;
}
});
Property Details
<String
StringDetails about the operation, for example: "Update" may be the label for an edit operation that updates features.
<String
StringThe type of operation, for example: "edit" or "navigation".
Method Details
Re-perform the last undo operation. When inherting from OperationBase provide a custom implementation for this method.
Sample:
performRedo: function () {
this.graphicsLayer.add(this._addedGraphic);
}