File Preview Control Settings

Preview a file that has been uploaded from a previous Task via a File Upload control in that Request.

Control Description

The File Preview control allows the Request participant to configure a file preview that has been previously uploaded to that Request via a File Upload control. After adding the control in the Screen to where to display the file preview, configure the Name setting value for the File Upload control from which to preview the file it uploaded to that Request.

This control is only available for the following Screen types:

• Display type

• Form type

See Screen Types.

Package Required

To add a File Preview control to a Screen, the File Manager package must be installed.

Permissions Required

Your user account or group membership must have the following permissions to design a Screen unless your user account has the Make this user a Super Admin setting selected:

• Screens: Edit Screens

• Screens: View Screens

See the Screens permissions or ask your Administrator for assistance.

Add the Control to a Screen

Package Required

A ProcessMaker Platform package is required to do this.

Permissions Required

Permissions are required to do this.

Design Best Practice

Avoid designing with more than 25 controls in one Screen.

Preview Multiple Files Uploaded from a Previous Task

See this example how to preview multiple files that have been uploaded from a previous Task in that Request.

Follow these steps to add this control to the Screen:

1. View the Screen page to which to add the control.

3. Drag the File Preview icon into the Screen Builder canvas. Existing controls on the Screen Builder canvas adjust positioning based on where you drag the control.

5. Configure the File Preview control. See Settings.

6. Validate that the control is configured correctly. See Validate Your Screen.

Below is a File Preview control in Preview mode.

Move the Control on the Page

A ProcessMaker Platform package is required to do this.

See Move a Control on the Page.

Copy the Control with its Settings

Copying a control also copies the current settings of that control. The copied control displays below other controls placed on that Screen page.

A ProcessMaker Platform package is required to do this.

Permissions are required to do this.

Follow these steps to copy a control:

1. Select the control to be copied.

As a best practice, after copying a control, change the Variable Name setting value for the copied control to its own unique variable value. Otherwise, in-progress Requests that use this Screen read from and send data to both controls.

Delete the Control from a Screen

A ProcessMaker Platform package is required to do this.

Permissions are required to do this.

Deleting a control also deletes configuration for that control. If you add another control, it will have default settings.

Follow these steps to delete a control from a Screen page:

1. Select the control to be deleted.

Settings

A ProcessMaker Platform package is required to do this.

Permissions are required to do this.

The File Preview control has the following panels that contain settings:

• Variable panel

• Configuration panel

• Advanced panel

Variable Panel Settings

Click the control while in Design mode, and then click the Variable panel that is on the right-side of the Screen Builder canvas.

Below is the setting for the File Preview control in the Variable panel:

• Variable Name

Variable Name

Use the Variable Name setting value to reference this value in Visibility Rule setting expressions.

See best practices when editing a Request variable name.

Configuration Panel Settings

Click the control while in Design mode, and then click the Configuration panel that is on the right-side of the Screen Builder canvas.

Below is the setting for the File Preview control in the Configuration panel:

• File Name

File Name

Advanced Panel Settings

Click the control while in Design mode, and then click the Advanced panel that is on the right-side of the Screen Builder canvas.

Below are settings for the Line Input control in the Advanced panel:

• Visibility Rule

• Device Visibility

• CSS Selector Name

Visibility Rule

Note the following regarding how to use visibility rules:

• To make this control hidden until another control contains a value, enter the Variable Name setting value of that control to this control's Visibility Rule setting.

• Visibility rules override custom CSS settings.

Device Visibility

Select on which device types this control displays:

• Desktop: The control displays only on desktop devices. Enable the Show for Desktop toggle key.

• Mobile: The control displays only on mobile devices. Enable the Show for Mobile toggle key.

CSS Selector Name

See the following best practices regarding custom CSS in Screens:

• Editing a CSS name to represent this control in custom CSS syntax

• Visibility rules override custom CSS settings

Related Topics

Screen TypesScreen Builder ModesValidate Your ScreenGenerate Your Screen Using AI AssistantBootstrap Component Control SettingsBootstrap Wrapper Control SettingsCheckbox Control SettingsDate Picker Control SettingsFile Download Control SettingsFile Upload Control SettingsGoogle Places Control SettingsImage Control SettingsLine Input Control SettingsLoop Control SettingsMulticolumn / Table Control SettingsNested Screen Control SettingsPage Navigation Control SettingsPhoto/Video Control SettingsRecord List Control SettingsRich Text Control SettingsSaved Search Chart Control SettingsSelect List Control SettingsSignature Control SettingsSubmit Button Control SettingsTextarea Control SettingsExpression Syntax ComponentsValidation Rules for "Validation Rules" SettingsReference Magic Variables in ProcessMaker Platform Assets