a simpler time
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@ -0,0 +1,87 @@
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// Although most code from WIT.COM Inc is under the GPL
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// This code is more generic because it must be able
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// to be used in any GUI plugin
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package tree
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import (
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"go.wit.com/log"
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"go.wit.com/widget"
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)
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// everything from the application goes through here
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func (me *TreeInfo) doAction(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. A bug in your application?")
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log.Log(TREEWARN, "tree.doAction() bug in gui. trying to do action", a.ActionType, "before widget init() wId =", a.WidgetId)
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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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case widget.Show:
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n.State.Hidden = false
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me.Show(n)
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case widget.Hide:
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n.State.Hidden = true
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me.Hide(n)
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case widget.Enable:
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me.Enable(n)
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case widget.Disable:
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me.Disable(n)
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default:
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log.Log(TREEWARN, "tree.Action() unknown action", a.ActionType, "on wId", a.WidgetId)
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// me.NodeAction(n, a.ActionType)
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}
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}
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68
init.go
68
init.go
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@ -16,72 +16,6 @@ import (
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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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@ -102,7 +36,7 @@ func (me *TreeInfo) catchActionChannel() {
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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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me.newAction(a)
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me.doAction(a)
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muAction.Unlock()
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}
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}
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32
structs.go
32
structs.go
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@ -17,21 +17,25 @@ import (
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var treeRoot *Node
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type TreeInfo struct {
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ok bool // indicates the plugin actually initialized
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PluginName string // used to identify the plugin
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config *ToolkitConfigs // protobuf of plugin settings
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callback chan widget.Action // mouse clicks or keyboard events back to the program
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pluginChan chan widget.Action // this is the channel we get requests to make widgets
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NodeAction func(*Node, widget.ActionType) // deprecate
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Add func(*Node) // add a new widget
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AddText func(*Node, string) // add a string to a dropdown widget
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SetText func(*Node, string) // set the text of a widget
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SetTitle func(*Node, string) // update the title of a window or tab
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SetLabel func(*Node, string) // update the "label" (aka "Name") for a widget
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SetChecked func(*Node, bool) // set the state of a checkbox
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ToolkitClose func() // shutdown and unload the plugin
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ShowTable func(*Node) // attempt at sending a whole table
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ok bool // indicates the plugin actually initialized
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PluginName string // used to identify the plugin
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config *ToolkitConfigs // protobuf of plugin settings
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callback chan widget.Action // mouse clicks or keyboard events back to the program
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pluginChan chan widget.Action // this is the channel we get requests to make widgets
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Add func(*Node) // add a new widget
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AddText func(*Node, string) // add a string to a dropdown widget
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SetText func(*Node, string) // set the text of a widget
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SetTitle func(*Node, string) // update the title of a window or tab
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SetLabel func(*Node, string) // update the "label" (aka "Name") for a widget
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SetChecked func(*Node, bool) // set the state of a checkbox
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ToolkitClose func() // shutdown and unload the plugin
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ShowTable func(*Node) // attempt at sending a whole table
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Show func(*Node) // show a widget
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Hide func(*Node) // hide a widget
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Enable func(*Node) // enable a widget
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Disable func(*Node) // disable a widget
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// NodeI interface{} // is an interface useful here?
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// NodeAction func(*Node, widget.ActionType) // deprecate
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}
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type Node struct {
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