121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
package tree
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import (
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"errors"
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"os"
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"runtime/debug"
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"sync"
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"go.wit.com/log"
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"go.wit.com/widget"
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)
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var muAction sync.Mutex
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// TODO: add checks for nil function pointers
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func (me *TreeInfo) newAction(a widget.Action) {
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n := treeRoot.FindWidgetId(a.WidgetId)
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switch a.ActionType {
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case widget.Add:
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if n == nil {
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n := me.AddNode(&a)
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me.Add(n)
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return
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}
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log.Log(TREEWARN, "attempting to re-add widget", a.WidgetId, a.WidgetType, a.ActionType)
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return
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}
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if n == nil {
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log.Log(TREEWARN, "tree.FindWidgetId() n == nil", a.WidgetId, a.WidgetType, a.ActionType)
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log.Log(TREEWARN, "tree.FindWidgetId() n == nil", a.State.CurrentS)
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log.Log(TREEWARN, "tree.FindWidgetId() n == nil. This should not happen. Bug in gui or tree package?")
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log.Log(TREEWARN, "tree.FindWidgetId() n == nil. A bug in your application?")
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return
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}
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switch a.ActionType {
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case widget.SetText:
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log.Log(TREE, "tree.SetText() a.State.CurrentS =", a.State.CurrentS)
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log.Log(TREE, "tree.SetText() a.State.DefaultS =", a.State.DefaultS)
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log.Log(TREE, "tree.SetText() a.State.NewString =", a.State.NewString)
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switch n.WidgetType {
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case widget.Dropdown:
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me.SetText(n, a.State.NewString)
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case widget.Combobox:
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me.SetText(n, a.State.NewString)
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case widget.Textbox:
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me.SetText(n, a.State.NewString)
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case widget.Window:
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me.SetTitle(n, a.State.Label)
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default:
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// buttons, checkboxes, groups, etc
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me.SetLabel(n, a.State.Label)
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}
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case widget.AddText:
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switch n.WidgetType {
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case widget.Dropdown:
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n.ddStrings = append(n.ddStrings, a.State.NewString)
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me.AddText(n, a.State.NewString)
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case widget.Combobox:
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n.ddStrings = append(n.ddStrings, a.State.NewString)
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me.AddText(n, a.State.NewString)
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default:
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log.Log(TREEWARN, "AddText() not supported on widget", n.WidgetType, n.String())
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}
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case widget.Checked:
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switch n.WidgetType {
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case widget.Checkbox:
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if me.SetChecked == nil {
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log.Log(TREEWARN, "SetChecked() == nil in toolkit", me.PluginName)
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} else {
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me.SetChecked(n, a.State.Checked)
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}
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default:
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log.Log(TREEWARN, "SetChecked() not supported on widget", n.WidgetType, n.String())
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}
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default:
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me.NodeAction(n, a.ActionType)
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}
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}
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func (me *TreeInfo) catchActionChannel() {
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defer func() {
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if r := recover(); r != nil {
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log.Log(TREEWARN, "YAHOOOO Recovered in tree.catchActionChannel()", r)
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log.Log(TREEWARN, "YAHOOOO Recovered in tree.catchActionChannel() Plugin:", me.PluginName)
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me.SendToolkitPanic()
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debug.PrintStack()
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me.ToolkitClose()
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if me.PluginName == "nocui" {
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os.Exit(-1)
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}
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}
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}()
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log.Log(TREE, "catchActionChannel() START")
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for {
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log.Log(TREE, "catchActionChannel() for loop")
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select {
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case a := <-me.pluginChan:
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log.Verbose("catchActionChannel() on ", a.WidgetId, a.WidgetType, a.ProgName)
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muAction.Lock()
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if me.newAction == nil {
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log.Error(errors.New("toolkit newAction == nil"), a.WidgetId, a.ActionType, a.WidgetType)
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} else {
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// send this to the toolkit
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me.newAction(a)
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// me.ActionFromChannel(a)
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}
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muAction.Unlock()
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}
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}
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}
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func New() *TreeInfo {
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me := new(TreeInfo)
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me.pluginChan = make(chan widget.Action, 1)
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log.Log(TREE, "Init() start channel reciever")
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go me.catchActionChannel()
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log.Log(TREE, "Init() END")
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return me
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}
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