Introduction

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The easiest way to see how the Popup Select Box works are to use the existing built-in App Expenses Claims. Here are the steps:

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1. Start the Joget Server and open the  App Center.
   
   
2. Log in as admin and click on the pencil icon on the  Expenses Claim to open the  Design App. (see Figure 1)
   
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   Figure 1
   
   
3. Click on the  Create New Form  button and fill up the Form Details as follows (see Figure 2):
   
   1. Form ID: popupSelectBox
   2. Form Name:  Popup Select Box
   3. Table Name: j_expense_claim
   
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   Figure 2
   
   
4. Drag and drop a  Popup Select Box element on to the canvas.
   
   
5. Hover the mouse over the Popup Select Box element on the canvas and click on Edit to open up the Edit Popup Select Box properties.
   
   
6. Fill up the Edit Popup Select Box  properties as follows and click on 

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1. OK :
   1. ID: appeal_claim
   2. Label: Select Existing Claim
   3. Datalist:

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1. 1. Expense All
   2. Display Field:

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1. 1. title
2. Click on the Save button on the Form Builder (see Figure 3). 
   
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   Figure 3
   
   
3. Now we will need some data in order to display some values within the Popup SelectBox, head back to Design App and click the Launch button next to the Expenses Claims App.
   
   
4. Click on Create a New Expense Claim button, fill up the necessary details and click on Continue Next Screen button (See Figure 4)
   
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   Figure 4
   
   
5. Fill up the necessary details and click on the Complete button.
   
   
6. Head back to the  Popup Select Box in the Form Builder. 
   
   
7. Click on Preview and click on the Select button to display the popup Datalist. Select one or more records and click on Select Button. The selected record title be displayed (see Figure 5).
   

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   Figure 5

Popup Select Box Properties

Edit Popup Select Box

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Name	Description	Screen (Click to view)
ID	Element ID (By declaring as "appeal_claim", a corresponding database table column "c_appeal_claim" will be created) Please see Form Element for more information about defining the ID and list of reserved IDs.
Label	Element Label to be displayed to the end-user.
Data List	Data List to display for selection.
Display Field	Field ID from the target Data List for eventually selected option label.

Advanced Options

Data

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Name	Description	Screen (Click to view)
Default Value	Default Value when there's no existing value found/selected. A hash variable is accepted here. For example, you may key the following Code Block #currentUser.firstName# #currentUser.lastName# to pre-populate the field with currently logged in user's name. You may define multiple default options by separating them using semicolons. Code Block title Sample option1;option2;option3
ID Field	Target Data List's column ID value to be saved as the option value. Default: id
Multiple Selection	Toggle Multiple Selection.
URL Request Parameters for Datalist	Refine the target Data List selections by defining the filter criteria here. Name Description Parameter Target Data List filter parameter name Field ID Current form element field ID Default Value Default Value for the search parameter
Validator	Attach a Validator plugin to validate the input value. Info title When will validation takes place? Validation will take place whenever a form is submitted except when it is submitted as "Save as Draft".

UI

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500px

90%

Workflow

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Button to clear all selected options in Popup Select Box

1. Add a custom HTML element into the form.
2. Paste the following code below. Remember to change field_id to the Popup Select Box Element ID.

<button type="button" onclick="clearAll()">Clear All</button>

<script>
function clearAll(){
	FormUtil.getField("field_id").parents(".form-cell").find(".selector_remove").each(function(i, obj) {
		$('.selector_remove')[0].click();
	});
}
</script>