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update tableview demo to show how to edit a value

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This commit is contained in:
Vladimir Markelov 2019-06-06 20:53:41 -07:00
parent 4848282327
commit 626f13a36e
2 changed files with 32 additions and 6 deletions
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3
.gitignore vendored
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@ -2,4 +2,5 @@
~*.*
*.swp
*.log
*.exe
*.exe
*.diff

35
demos/tableview/tableview.go
View File

@ -14,6 +14,8 @@ func createView() *ui.TableView {
return bch
}
const rowCount = 15
func mainLoop() {
// Every application must create a single Composer and
// call its intialize method
@ -23,7 +25,7 @@ func mainLoop() {
b := createView()
b.SetShowLines(true)
b.SetShowRowNumber(true)
b.SetRowCount(15)
b.SetRowCount(rowCount)
cols := []ui.Column{
ui.Column{Title: "Text", Width: 5, Alignment: ui.AlignLeft},
ui.Column{Title: "Number", Width: 10, Alignment: ui.AlignRight},
@ -32,8 +34,17 @@ func mainLoop() {
ui.Column{Title: "Last", Width: 8, Alignment: ui.AlignLeft},
}
b.SetColumns(cols)
colCount := len(cols)
values := make([]string, rowCount*colCount)
for r := 0; r < rowCount; r++ {
for c := 0; c < colCount; c++ {
values[r*colCount+c] = fmt.Sprintf("%v:%v", r, c)
}
}
b.OnDrawCell(func(info *ui.ColumnDrawInfo) {
info.Text = fmt.Sprintf("%v:%v", info.Row, info.Col)
info.Text = values[info.Row*colCount+info.Col]
})
b.OnAction(func(ev ui.TableEvent) {
@ -43,7 +54,21 @@ func mainLoop() {
case ui.TableActionSort:
action = "Sort table"
case ui.TableActionEdit:
action = "Edit row/cell"
c := ev.Col
r := ev.Row
oldVal := values[r*colCount+c]
dlg := ui.CreateEditDialog(
fmt.Sprintf("Editing value: %s", oldVal), "New value", oldVal,
)
dlg.OnClose(func() {
switch dlg.Result() {
case ui.DialogButton1:
newText := dlg.EditResult()
values[r*colCount+c] = newText
ui.PutEvent(ui.Event{Type: ui.EventRedraw})
}
})
return
case ui.TableActionNew:
action = "Add new row"
case ui.TableActionDelete:
@ -54,9 +79,9 @@ func mainLoop() {
dlg := ui.CreateConfirmationDialog(
"<c:blue>"+action,
"Click any button or press <c:yellow>SPACE<c:> to close the dialog",
"Click any button or press <c:yellow>SPACE<c:> to close the dialog",
btns, ui.DialogButton1)
dlg.OnClose(func() {})
dlg.OnClose(func() {})
})
// start event processing loop - the main core of the library