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Page Revision: 2012/07/21 13:13

The Properties panel is located to the right of the Event window and allows an user to modify various settings of the experimental design at all levels - from the global settings of the entire experiment to the properties of individual events and elements. The property panel consists of two-columns list with property names in the first column and property values in the second.

Table of Contents [Hide/Show] Things To Know Practical Use     Single object selection     Multiple object selection     Adding proxies        Adding single proxy        Adding proxy array        Adding proxy hub        Property attributes     Property search and sorting     Standard editors        Text and Number editor        Drop-down editor        Color editor        Position editor        Size editor        Slider editor        Range editor        Design-time action editor

Things To Know ¶

• The Properties tab shows properties of the currently selected object: experiment, event or element.
• When multiple objects are selected the property panels shows only mutual properties of the selected objects.
• Hovering over a property in the 'Properties' list will provide a brief description of the property, the underlying property type and usage attributes, shown in a popup window.
• The individual properties can be selected in the property panel in order to add the proxy variables.
  

Practical Use ¶

Single object selection ¶

As any EventIDE base object gets selected in other panels (normally by mouse click), its properties are automatically loaded in the property panel and stays there until a new selection is done. The name of the selected object is shown at the top of the property panel.

Multiple object selection ¶

After selection of multiple objects the property panel shows their mutual properties. Multiple elements of the same event or multiple events on the same layer can be selected holding the Shift button down. In order to select the elements from different events or events from different layers, you need to 'pin' objects before switching to another event or layer. The pinned objects get permanently attached to the property panel and have to be unpinned to return into the normal selection mode.

pin an element

Adding proxies ¶

When you need to change some property with your snippet, you have to make this property a proxy variable and give it its unique name, which you can use wherever you want in you snippets.
To add proxy to the property you need to press button.
To remove existing proxy you need to press button.
Seeing no button near property means that proxy can't be added to this property.
You can organize your variables into groups. When you add a new proxy variable, you can either include it into the existing group or create a new one. You can add proxy to several elements also.
This can be done by adding proxy either as proxy array or as proxy hub.

Adding proxy

Adding single proxy ¶

Single proxy associates one property with one variable.

single proxy

Adding proxy array ¶

Proxy array is an indexed array containing several proxy variables linked to the same property of different objects. You can change the properties of different objects independently.

proxy array

Adding proxy hub ¶

Proxy hub allows to modify a property of multiple linked objects at the same time, with a single proxy variable.

proxy hub

Property attributes ¶

A property's attributes determine how it can be accessed. Although most properties are available for use in code snippets through the parameters functionality,the property attributes can impose certain restictions on such interactions.

• Run-time only: This attribute means that the property can be accessed only in the run-time. Such a property can be used only in conjunction with parameters functionality with property values to be read and written in code snippets.
• Read-only: These properties are informative values. For example, it can be the statistics relating to the timing of EventIDE collected through a experiment run. Read-only properties can be used with parameter functionality and be read in code snippets like others. However, their values cannot be set- all assignments will be ignored.
• Design-time only: The properties with this attribute can be changed only at designtime and during the running of an experiment their values are fixed or not used. Typically these properties provide supplementary information (such as an event's title) or they hold global settings such as display resolution that can not be changed in runtime. Design-time properties cannot be made into parameters.
  

Property search and sorting ¶

When you type something you'd like find in the Search field, it shows you a list of elements, which have titles with the same letter combination.
Search results can be shown not sorted or sorted alphabetically or sorted by category when the proper button is pressed.

Search field

Standard editors ¶

The property panel provide a number of value editors that are automatically loaded for the particular property type.

Text and Number editor ¶

You can enter any text or number that you need to assign to the property.

Text field

Drop-down editor ¶

You can select the value of this property from the drop-down list of values.

Drop-down list

Color editor ¶

You can choose the desirable color either by selecting it from the list at the bottom of drop-down box or by typing its numerical values in RGB directly to the proper fields.

Color editor

Position editor ¶

You can change position of the selected element either by dragging it with your mouse or by typing coordinates in the proper fields (X and Y fields). R field is .......... Theta field is ......

Position editor

Size editor ¶

You can change size of the selected element either by changing it directly with your mouse or by typing width and height in the proper fields.

Size editor

Slider editor ¶

You can change value of this property from min to max by moving the slider fro the beginng to the end of the scale.

Slider editor

Range editor ¶

You can change value of this property from min to max by moving the slider fro the beginng to the end of the scale.

Slider editor

Design-time action editor ¶

This editor contains a button that starts some special function of the selected object, like a calibration process in the eye-tracker elements. Another example is testing of the current settings- Test Output property of the LPT element initiates a single output transfer through the parallel port. The results returned by the runtime function is shown at the left of the button after the function is complete.

Runtime action editor