The Image control allows you to add images to your forms. Image can either be used as decoration or as a link.
This page contains a detailed description of the control properties and JavaScript samples which you can use with this control.
Here you can find properties specifically related to the Image control.
A unique identifier for the control.
JavaScript
The Name property allows to work with the control via JavaScript code, like this:
fd.spRendered(function(){
//can access the control using its Name:
fd.control('Image1').href = 'https://plumsail.com/';
});
The property defines the width of the control in pixels. Height will automatically adjust to keep the proportions of the image, based on the width.
If left blank, the image will be able to take up all the available width in the current grid cell.
You can specify the Height of the image in pixels:
If left empty, the image will automatically adjust its height to keep the proportions of height and width, shrinking or growing based on the available width. If the width is not set, then lowering the height will automatically lower the width to keep the proportions.
Allows you to specify an alternate text for an image here.:
The alt attribute provides alternative information for an image if a user for some reason cannot view it (because of slow connection, an error in the src attribute, or if the user uses a screen reader).
Add a CSS class to the control, which comes in handy with CSS or even JavaScript code. This will work as a class attribute for an HTML tag.
The same class can be applied to multiple fields and controls, and then you can use CSS to modify the appearance of these. For example, here we’ve used the following CSS code in the CSS editor to give controls with my-class a rounded appearance:
.my-class { border-radius: 50%; }
Add custom CSS style to the control. This will work as a style attribute for an HTML tag.
You can apply different styles to the control. For example, the following style will allow you to give shadow to the image:
box-shadow: 10px 10px 5px gray;
The target attribute specifies where to open the link. Enter _self to open link on the same page or _blank to open link in a new tab.
Add JavaScript to execute when an image is clicked.
JavaScript
Add event.preventDefault(); to your code to prevent redirection when the image is clicked:
event.preventDefault(); alert('Clicked');
In this section, you can find basic examples of how to work with the control using JavaScript.
If you are not familiar with the JavaScript framework, get started with the JavaScript basics.
Note
The control is only accessible once the form is rendered, so all calls to the control must be inside fd.spRendered event:
fd.spRendered(function(){
//hide the control
fd.control('Control1').hidden = true;
//show the control
fd.control('Control1').hidden = false;
});
Get or set the source of the image with the following property:
//return the source of the image as a URL string fd.control('Control1').source; //set the source of the image as a URL string fd.control('Control1').source = 'https://images.com/my-image.png';
Access HTML element inside the control in order to modify it, hide it, or do something else.
//access control's HTML var htmlControl = fd.control('Control1').$el;
Hide a control from a user. The control value can still be accessed and changed with JavaScript.
//hide control fd.control('Control1').hidden = true; //show control fd.control('Control1').hidden = false;
Get or set the alternate text of the image with the following property:
//return the alternate text of the image fd.control('Control1').alt; //set the alternate text of the image fd.control('Control1').alt = 'This picture is awesome, if only you could see it!';
Get or set the width or height of the image with the following properties:
//return the width of the image fd.control('Control1').width; //return the height of the image fd.control('Control1').height; //set the width of the image fd.control('Control1').width = '256'; //set the height of the image fd.control('Control1').height = '512';
Assign a link that will open on click, and the target property to select if it will open in a new tab:
//return the link of the image fd.control('Control1').href; //set a link that will open on click fd.control('Control1').href = 'https://plumsail.com/'; //set target attribute, this will open link in a new tab fd.control('Control1').target = '_blank';
Property that holds JavaScript that is executed when link is clicked:
//get the script that runs on click fd.control('Control1').onclick; //set the script that runs on click fd.control('Control1').onclick = 'alert("Hyperlink is clicked!")'; //trigger the code to run with JavaScript fd.control('Control1').click();