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The Topographic Apprentice
Control Panel Library
Indicator Class
Issue: 3.6 (July/August 2005)
Author: Joe Nastasi
Author Bio: Joe Nastasi is the president of Pyramid Design, a software development firm and the developers of A-OK! Spacecraft Simulation System and FTP Suite.
Article Description: No description available.
Article Length (in bytes): 6,947
Starting Page Number: 38
RBD Number: 3618
Resource File(s): None
Related Link(s): None
Known Limitations: None
Excerpt of article text...
Having discussed the Panel Class last session, we will now focus on the individual panel entity classes: IndicatorClass, AnalogGaugeClass, and SwitchClass. All of these classes are based on the PanelEntityClass discussed in issue 3.4.
IndicatorClass
This class is the simplest of our controls. It just switches 2D pictures, stored as a shapes, by changing the Shape property to reflect the current indicator state.
Properties
Height as Integer -- A local property that contains the height of the indicator.
Width as Integer -- A local property that contains the width of the indicator.
LabelObject as Object3D -- A local property that contains an instance of the label overlay picture, which is stored as a shape in an Object3D.
Methods
Load(xdoc As XmlDocument) -- This global method loads an XML file that contains the information needed to define the indicator. It is called PanelClass.LoadAllPanelItems.
Initialize(name As String, x As Integer, y As Integer, state As Integer) -- This local method sets up the indicator name and position, and sets its initial value. It is called from IndicatorClass.Load.
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Article copyrighted by REALbasic Developer magazine. All rights reserved.
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