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How to enter editing state using function in IText using FabricJS?
In this tutorial, we are going to learn about how to enter editing state using function in IText using FabricJS. The IText class was introduced in FabricJS version 1.4, extends fabric.Text and is used to create IText instances. An IText instance gives us the freedom to select, cut, paste or add new text without additional configurations. There are also various supported key combinations and mouse/touch combinations which make text interactive which are not provided in Text.
Textbox, however, which is based on IText allows us to resize the text rectangle and wraps lines automatically. This is not true for IText as height is not adjusted based on the wrapping of lines. We can manipulate our IText object by using various properties. Likewise, we can enter the editing state by using the enterEditing method.
Syntax
enterEditing(): fabric.IText
Example 1
Without using the enterEditing method
Let’s see a code example to see how the IText object looks like when the enterEditing method is not used.
<!DOCTYPE html> <html> <head> <!-- Adding the Fabric JS Library--> <script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script> </head> <body> <h2>Without using the enterEditing method</h2> <p>You can see that the editing mode is off</p> <canvas id="canvas"></canvas> <script> // Initiate a canvas instance var canvas = new fabric.Canvas("canvas"); canvas.setWidth(document.body.scrollWidth); canvas.setHeight(250); // Initiate an itext object var itext = new fabric.IText("Add sample text here.", { width: 300, left: 60, top: 70, fill: "red", }); // Add it to the canvas canvas.add(itext); </script> </body> </html>
Example 2
Using the enterEditing method
Let’s see a code example to see how the IText object looks like when the enterEditing method is used to enter editing state. In this case, our itext object will now be in editing mode as the cursor is there.
<!DOCTYPE html> <html> <head> <!-- Adding the Fabric JS Library--> <script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script> </head> <body> <h2>Without using the enterEditing method</h2> <p>You can see that the editing mode is on</p> <canvas id="canvas"></canvas> <script> // Initiate a canvas instance var canvas = new fabric.Canvas("canvas"); canvas.setWidth(document.body.scrollWidth); canvas.setHeight(250); // Initiate an itext object var itext = new fabric.IText("Add sample text here.", { width: 300, left: 60, top: 70, fill: "red", }); // Add it to the canvas canvas.add(itext); // Using enterEditing method itext.enterEditing(); </script> </body> </html>
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