57 lines
1021 B
Go
57 lines
1021 B
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package view
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import (
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"context"
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"github.com/derailed/k9s/internal/model"
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"github.com/derailed/k9s/internal/ui"
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)
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// PageStack represents a stack of pages.
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type PageStack struct {
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*ui.Pages
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app *App
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}
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// NewPageStack returns a new page stack.
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func NewPageStack() *PageStack {
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return &PageStack{
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Pages: ui.NewPages(),
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}
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}
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// Init initializes the view.
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func (p *PageStack) Init(ctx context.Context) (err error) {
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if p.app, err = extractApp(ctx); err != nil {
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return err
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}
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p.Stack.AddListener(p)
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return nil
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}
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// StackPushed notifies a new page was added.
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func (p *PageStack) StackPushed(c model.Component) {
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c.Start()
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p.app.SetFocus(c)
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}
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// StackPopped notifies a page was removed.
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func (p *PageStack) StackPopped(o, top model.Component) {
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o.Stop()
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p.StackTop(top)
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}
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// StackTop notifies for the top component.
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func (p *PageStack) StackTop(top model.Component) {
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if top == nil {
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return
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}
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top.Start()
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p.app.SetFocus(top)
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}
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