121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
/*
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A simple GUI gadget to control on a 'log' package flag
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-----------------------------------------------
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| [ X ] | INFO (controls log.Info() |
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-----------------------------------------------
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*/
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package gadgets
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import (
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"errors"
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"go.wit.com/gui"
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"go.wit.com/log"
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)
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type LogFlag struct {
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// p *gui.Node // parent widget
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checkbox *gui.Node // checkbox widget
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lf *log.LogFlag // this is the object from the 'log' package
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name string
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subsystem string
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desc string
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orig bool
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// b bool
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Custom func()
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}
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// probably a better name than GetValue()
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func (f *LogFlag) Bool() bool {
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if f.lf.Bool() != f.checkbox.Bool() {
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log.Error(errors.New("gadget.LogFlag error. actual flag.Bool() does not match checkbox.Bool()"))
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// set the checkbox to reflect the actual flag value
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f.checkbox.SetChecked(f.lf.Bool())
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}
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return f.lf.Bool()
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}
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func (f *LogFlag) GetValue() bool {
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return f.checkbox.Bool()
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}
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func (f *LogFlag) GetName() string {
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return f.name
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}
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func (f *LogFlag) GetSubsystem() string {
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return f.subsystem
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}
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func (f *LogFlag) GetDesc() string {
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return f.name
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}
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func (f *LogFlag) SetValue(b bool) {
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log.Log(GADGETS, "LogFlag.SetValue() before SetValue() log.flag =", f.lf.Bool(), "checkbox =", f.checkbox.Bool())
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f.checkbox.SetChecked(b)
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f.lf.SetBool(b)
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log.Log(GADGETS, "LogFlag.SetValue() after SetValue() log.flag =", f.lf.Bool(), "checkbox =", f.checkbox.Bool())
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}
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// should be RestoreDefault() ?
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func (f *LogFlag) RestoreDefault() {
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f.lf.SetDefault()
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}
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func NewLogFlag(n *gui.Node, lf *log.LogFlag) *LogFlag {
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f := LogFlag{
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lf: lf,
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name: lf.GetName(),
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subsystem: lf.GetSubsystem(),
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desc: lf.GetDesc(),
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orig: lf.GetDefault(),
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}
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// make the checkbox for turning on and off the logging flag
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f.checkbox = n.NewCheckbox(f.name + ": " + f.desc)
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// when the user checks the logging flag, do a sanity check here
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// since this is likely the one place, when everything else
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// has gone black, that the user(probably a developer in this case)
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// will have. if the toolkit, general GUI code or whatever else
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// is not working, this will sanity check that the checkboxes
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// are at least working to set the logging flags
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// which will let the developer have some home of seeing the
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// output errors from whatever might be broken
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// this is useful when trying to debug toolkit plugins
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var watcher bool = true
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var counter int = 0
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f.checkbox.Custom = func() {
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if counter == 0 {
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// store the first clicked value
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watcher = f.lf.Bool()
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} else {
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// if the value has changed, then everything is fine
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if watcher != f.lf.Bool() {
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watcher = f.lf.Bool()
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counter = 0
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}
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// this means the value has not changed 3 times
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// in a row. something is wrong! inform the user
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// (in the GUI since that is where they are clicking
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// the checkbox so we know they can seen things there
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if counter > 4 {
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f.checkbox.SetLabel(f.name + ": log settings are not working")
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counter = 0
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}
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}
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counter += 1
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f.lf.SetBool(f.checkbox.Bool())
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}
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f.checkbox.SetValue(lf.Bool())
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return &f
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}
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