Difference between revisions of "Lua:Class:CheckBox"

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m (Reverted edits by 192.41.170.32 (Talk) to last revision by Freiza)
(Undo revision 1404 by Freiza (Talk))
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'''CheckBox Class''' (Inheritance ButtonControl->WinControl->Control->Component->Object)
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and @Rich: This is not about states (the cunerrt state), but the action that performs a change. On most elements, this is the very general action of  click , and for Firefox/Gecko in general, a checked checkbox exposes an action name of uncheck , and an unchecked checkbox exposes an action name of check . But since we do not know what the next state of a cunerrtly undetermined checkbox will be, the action name must be something meaningful, but general enough so that the next state can be either checked fully, or unchecked. From other comments in the bug and what I got via e-mail, it looks like we'll call this one Cycle .
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The Checkbox is a visual component that lets the user click it and change state between checked, unchecked, and if possible, grayed
 
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'''createCheckBox(owner)'''
 
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Creates a CheckBox class object which belongs to the given owner. Owner can be any object inherited from WinControl
 
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'''
 
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checkbox_getAllowGrayed(CheckBox)'''
 
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Gets the AllowGrayed property
 
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'''checkbox_setAllowGrayed(CheckBox, boolean)''' -- it is same as '''control_setEnabled(control, ~ boolean)'''  
 
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Sets the AllowGrayed property
 
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'''checkbox_getState(checkbox)'''
 
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Gets the current state of the checkbox
 
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  0=Unchecked
 
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  1=Checked
 
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  2=Grayed
 
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'''
 
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checkbox_setState(checkbox, state)'''
 
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Sets the state of the checkbox
 
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  0=Unchecked
 
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  1=Checked
 
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  2=Grayed
 
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checkbox_onChange(checkbox, function)
 
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Sets an OnChange event for the checkbox that gets triggered when the state has been changed (by the user of programatically)
 
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  function (sender)
 
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<pre>
 
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Example:
 
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local form = createForm( true );
 
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local checkBoxes = {};
 
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checkBoxes[1] = createCheckBox( form );
 
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checkBoxes[2] = createCheckBox( form );
 
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checkBoxes[3] = createCheckBox( form );
 
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checkBoxes[4] = createCheckBox( form );
 
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checkBoxes[5] = createCheckBox( form );
 
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for x = 1, #checkBoxes do
 
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    control_setCaption( checkBoxes[x], "This is checkbox " .. tostring( x ) );
 
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    control_setPosition( checkBoxes[x], 10, x * 20 )
 
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end
 
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checkbox_setState(checkboxes[1], 0)    -- Sets checkboxes[1] to unchecked state.
 
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checkbox_setState(checkboxes[2], 1)    -- Sets checkboxes[2] to checked state.
 
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checkbox_setState(checkboxes[3], 2)    -- checkboxes[3] is grayed out.
 
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if checkbox_getState(checkboxes[4]) then -- if checkboxes[4] is checked then the function returns true otherwise false.
 
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  print "true"
 
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else
 
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  print "false"
 
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end
 
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</pre>
 

Revision as of 08:05, 13 May 2012

and @Rich: This is not about states (the cunerrt state), but the action that performs a change. On most elements, this is the very general action of click , and for Firefox/Gecko in general, a checked checkbox exposes an action name of uncheck , and an unchecked checkbox exposes an action name of check . But since we do not know what the next state of a cunerrtly undetermined checkbox will be, the action name must be something meaningful, but general enough so that the next state can be either checked fully, or unchecked. From other comments in the bug and what I got via e-mail, it looks like we'll call this one Cycle .



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