// Color picker uses the customAdapter for driving a list
func colorPicker(theme gxui.Theme) gxui.Control {
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.TopToBottom)
label0 := theme.CreateLabel()
label0.SetText("Color palette:")
layout.AddChild(label0)
adapter := &customAdapter{}
list := theme.CreateList()
list.SetAdapter(adapter)
list.SetOrientation(gxui.Horizontal)
layout.AddChild(list)
label1 := theme.CreateLabel()
label1.SetMargin(math.Spacing{T: 30})
label1.SetText("Selected color:")
layout.AddChild(label1)
selected := theme.CreateImage()
selected.SetExplicitSize(math.Size{W: 32, H: 32})
layout.AddChild(selected)
list.OnSelectionChanged(func(item gxui.AdapterItem) {
if item != nil {
control := list.ItemControl(item)
selected.SetBackgroundBrush(control.(gxui.Image).BackgroundBrush())
}
})
return layout
}
// Create implements gxui.TreeNode.
func (d directory) Create(theme gxui.Theme) gxui.Control {
_, name := filepath.Split(d.path)
if name == "" {
name = d.path
}
l := theme.CreateLabel()
l.SetText(name)
l.SetColor(directoryColor)
return l
}
func (a *filesAdapter) Create(theme gxui.Theme, index int) gxui.Control {
path := a.files[index]
_, name := filepath.Split(path)
label := theme.CreateLabel()
label.SetText(name)
if fi, err := os.Stat(path); err == nil && fi.IsDir() {
label.SetColor(directoryColor)
} else {
label.SetColor(fileColor)
}
return label
}
// Create a PanelHolder with a 3 panels
func panelHolder(name string, theme gxui.Theme) gxui.PanelHolder {
label := func(text string) gxui.Label {
label := theme.CreateLabel()
label.SetText(text)
return label
}
holder := theme.CreatePanelHolder()
holder.AddPanel(label(name+" 0 content"), name+" 0 panel")
holder.AddPanel(label(name+" 1 content"), name+" 1 panel")
holder.AddPanel(label(name+" 2 content"), name+" 2 panel")
return holder
}
func (e *editor) CreateLine(theme gxui.Theme, index int) (mixins.TextBoxLine, gxui.Control) {
lineNumber := theme.CreateLabel()
lineNumber.SetText(fmt.Sprintf("%4d", index+1))
line := &mixins.CodeEditorLine{}
line.Init(line, theme, &e.CodeEditor, index)
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.LeftToRight)
layout.AddChild(lineNumber)
layout.AddChild(line)
return line, layout
}
// mixins.TextBox overrides
func (e *CodeEditor) CreateLine(theme gxui.Theme, index int) (TextBoxLine, gxui.Control) {
lineNumber := theme.CreateLabel()
lineNumber.SetText(fmt.Sprintf("%.4d", index+1)) // Displayed lines start at 1
line := &CodeEditorLine{}
line.Init(line, theme, e, index)
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.LeftToRight)
layout.AddChild(lineNumber)
layout.AddChild(line)
return line, layout
}
func newCommandBox(driver gxui.Driver, theme gxui.Theme, controller Controller) *commandBox {
box := &commandBox{
driver: driver,
controller: controller,
}
box.label = theme.CreateLabel()
box.label.SetColor(cmdColor)
box.LinearLayout.Init(box, theme)
box.SetDirection(gxui.LeftToRight)
box.AddChild(box.label)
box.Clear()
return box
}
// Create implements gxui.TreeNode.
func (n *node) Create(theme gxui.Theme) gxui.Control {
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.LeftToRight)
label := theme.CreateLabel()
label.SetText(n.name)
textbox := theme.CreateTextBox()
textbox.SetText(n.name)
textbox.SetPadding(math.ZeroSpacing)
textbox.SetMargin(math.ZeroSpacing)
addButton := theme.CreateButton()
addButton.SetText("+")
addButton.OnClick(func(gxui.MouseEvent) { n.add("<new>") })
edit := func() {
layout.RemoveAll()
layout.AddChild(textbox)
layout.AddChild(addButton)
gxui.SetFocus(textbox)
}
commit := func() {
n.name = textbox.Text()
label.SetText(n.name)
layout.RemoveAll()
layout.AddChild(label)
layout.AddChild(addButton)
}
// When the user clicks the label, replace it with an editable text-box
label.OnClick(func(gxui.MouseEvent) { edit() })
// When the text-box loses focus, replace it with a label again.
textbox.OnLostFocus(commit)
layout.AddChild(label)
layout.AddChild(addButton)
return layout
}
// Number picker uses the gxui.DefaultAdapter for driving a list
func numberPicker(theme gxui.Theme, overlay gxui.BubbleOverlay) gxui.Control {
items := []string{
"zero", "one", "two", "three", "four", "five",
"six", "seven", "eight", "nine", "ten",
"eleven", "twelve", "thirteen", "fourteen", "fifteen",
"sixteen", "seventeen", "eighteen", "nineteen", "twenty",
}
adapter := gxui.CreateDefaultAdapter()
adapter.SetItems(items)
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.TopToBottom)
label0 := theme.CreateLabel()
label0.SetText("Numbers:")
layout.AddChild(label0)
dropList := theme.CreateDropDownList()
dropList.SetAdapter(adapter)
dropList.SetBubbleOverlay(overlay)
layout.AddChild(dropList)
list := theme.CreateList()
list.SetAdapter(adapter)
list.SetOrientation(gxui.Vertical)
layout.AddChild(list)
label1 := theme.CreateLabel()
label1.SetMargin(math.Spacing{T: 30})
label1.SetText("Selected number:")
layout.AddChild(label1)
selected := theme.CreateLabel()
layout.AddChild(selected)
dropList.OnSelectionChanged(func(item gxui.AdapterItem) {
if list.Selected() != item {
list.Select(item)
}
})
list.OnSelectionChanged(func(item gxui.AdapterItem) {
if dropList.Selected() != item {
dropList.Select(item)
}
selected.SetText(fmt.Sprintf("%s - %d", item, adapter.ItemIndex(item)))
})
return layout
}
func (a *fsAdapter) create(theme gxui.Theme, path string) gxui.Label {
label := theme.CreateLabel()
label.SetText(filepath.Base(path))
return label
}
// Override directory.Create so that the full root is shown, unaltered.
func (a directoryAdapter) Create(theme gxui.Theme, index int) gxui.Control {
l := theme.CreateLabel()
l.SetText(a.subdirs[index])
l.SetColor(directoryColor)
return l
}