109 lines
2.0 KiB
Go
109 lines
2.0 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package ui
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import (
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"fmt"
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"github.com/derailed/k9s/internal/model"
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"github.com/derailed/tview"
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"github.com/rs/zerolog/log"
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)
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// Pages represents a stack of view pages.
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type Pages struct {
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*tview.Pages
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*model.Stack
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}
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// NewPages return a new view.
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func NewPages() *Pages {
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p := Pages{
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Pages: tview.NewPages(),
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Stack: model.NewStack(),
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}
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p.Stack.AddListener(&p)
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return &p
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}
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// IsTopDialog checks if front page is a dialog.
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func (p *Pages) IsTopDialog() bool {
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_, pa := p.GetFrontPage()
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switch pa.(type) {
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case *tview.ModalForm:
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return true
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default:
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return false
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}
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}
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// Show displays a given page.
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func (p *Pages) Show(c model.Component) {
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p.SwitchToPage(componentID(c))
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}
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// Current returns the current component.
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func (p *Pages) Current() model.Component {
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c := p.CurrentPage()
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if c == nil {
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return nil
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}
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return c.Item.(model.Component)
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}
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// AddAndShow adds a new page and bring it to front.
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func (p *Pages) addAndShow(c model.Component) {
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p.add(c)
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p.Show(c)
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}
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// Add adds a new page.
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func (p *Pages) add(c model.Component) {
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p.AddPage(componentID(c), c, true, true)
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}
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// Delete removes a page.
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func (p *Pages) delete(c model.Component) {
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p.RemovePage(componentID(c))
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}
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// Dump for debug.
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func (p *Pages) Dump() {
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log.Debug().Msgf("Dumping Pages %p", p)
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for i, c := range p.Stack.Peek() {
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log.Debug().Msgf("%d -- %s -- %#v", i, componentID(c), p.GetPrimitive(componentID(c)))
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}
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}
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// Stack Protocol...
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// StackPushed notifies a new component was pushed.
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func (p *Pages) StackPushed(c model.Component) {
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p.addAndShow(c)
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}
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// StackPopped notifies a component was removed.
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func (p *Pages) StackPopped(o, top model.Component) {
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p.delete(o)
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}
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// StackTop notifies a new component is at the top of the stack.
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func (p *Pages) StackTop(top model.Component) {
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if top == nil {
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return
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}
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p.Show(top)
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}
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// Helpers...
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func componentID(c model.Component) string {
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if c.Name() == "" {
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log.Error().Msg("Component has no name")
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}
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return fmt.Sprintf("%s-%p", c.Name(), c)
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}
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