/
treeview.go
79 lines (63 loc) · 1.46 KB
/
treeview.go
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package windows
import (
"github.com/lxn/walk"
"os"
"path/filepath"
)
type MyTreeView struct {
*walk.TreeView
}
func (tv *MyTreeView) AddItem(name string, parent *Directory) {
tv.SetSuspended(true)
defer tv.SetSuspended(false)
model := tv.Model().(*DirectoryTreeModel)
nd := NewDirectory(name, parent)
parent.children = append(parent.children, nd)
model.PublishItemsReset(parent)
}
func (tv *MyTreeView) RootChanged(root string) error {
model := tv.Model().(*DirectoryTreeModel)
model.roots = []*Directory{NewDirectory(root, nil)}
if err := tv.SetModel(model); err != nil {
return err
}
if err := tv.SetCurrentItem(model.roots[0]); err != nil {
return err
}
return nil
}
func (mw *MyMainWindow) itemChanged() {
path := mw.tv.CurrentItem().(*Directory).Path()
if err := walk.Resources.SetRootDirPath(path); err != nil {
mw.errMBox(err)
}
if err := mw.le.SetText(path); err != nil {
mw.errMBox(err)
return
}
ClearWidgets(mw.sv)
mw.addImageViewWidgets(mw.sv)
}
func (mw *MyMainWindow) rightClick(x, y int, button walk.MouseButton) {
if button != walk.RightButton {
return
}
item := mw.tv.ItemAt(x, y)
if item == nil {
return
}
var fn string
cmd, err := RunCreateDirDialog(mw, &fn)
if err != nil {
mw.errMBox(err)
return
}
if cmd == walk.DlgCmdOK {
path := filepath.Join(item.(*Directory).Path(), fn)
if err := os.Mkdir(path, os.ModeDir); err != nil {
mw.errMBox(err)
return
}
mw.tv.AddItem(fn, item.(*Directory))
}
}