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Typing Restriction

Input Control enable false

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Control_InputControl_setInputEnabled\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><value name=\"isEnabled\"><shadow type=\"logic_boolean\"><field name=\"BOOL\">FALSE</field></shadow></value></block></xml>"}
				
			

The block restricts user to type in text area.

Parameters:

  • Screen Item (Input Control)
  • Display setting: Boolean (True/False [Default])

Output: N/A
Sample code:

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>mainLayout</variable><variable>mainScreen</variable><variable>inputControl</variable><variable>disableButton</variable></variables><block type=\"pxt-on-start\" x=\"0\" y=\"0\"><statement name=\"HANDLER\"><block type=\"variables_set\"><field name=\"VAR\">mainLayout</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"ScreenItem_createLayout\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">mainScreen</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Screen_create\"><value name=\"label\"><shadow type=\"text\"><field name=\"TEXT\">Main</field></shadow></value><value name=\"layout\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">inputControl</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createTextArea\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">disableButton</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createButton\"><value name=\"content\"><shadow type=\"text\"><field name=\"TEXT\">Click me to see enable is true.</field></shadow></value></block></value><next><block type=\"Control_InputControl_setInputEnabled\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><value name=\"isEnabled\"><shadow type=\"logic_boolean\"><field name=\"BOOL\">TRUE</field></shadow></value><next><block type=\"ScreenItem_ScreenItem_onClick\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">disableButton</field></block></value><statement name=\"HANDLER\"><block type=\"Control_InputControl_setInputEnabled\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><value name=\"isEnabled\"><shadow type=\"logic_boolean\"><field name=\"BOOL\">FALSE</field></shadow></value></block></statement><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">disableButton</field></block></value></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>"}
				
			

When setting the enable setting to become true first, the output:

After clicking the button, it will block the text area and not allow you to type, the output:

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