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https://github.com/gohugoio/hugo.git
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70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugolib
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import (
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"sync"
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"github.com/gohugoio/hugo/navigation"
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)
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type pageMenus struct {
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p *pageState
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q navigation.MenuQueryProvider
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pmInit sync.Once
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pm navigation.PageMenus
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}
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func (p *pageMenus) HasMenuCurrent(menuID string, me *navigation.MenuEntry) bool {
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p.p.s.init.menus.Do()
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p.init()
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return p.q.HasMenuCurrent(menuID, me)
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}
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func (p *pageMenus) IsMenuCurrent(menuID string, inme *navigation.MenuEntry) bool {
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p.p.s.init.menus.Do()
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p.init()
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return p.q.IsMenuCurrent(menuID, inme)
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}
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func (p *pageMenus) Menus() navigation.PageMenus {
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// There is a reverse dependency here. initMenus will, once, build the
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// site menus and update any relevant page.
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p.p.s.init.menus.Do()
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return p.menus()
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}
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func (p *pageMenus) menus() navigation.PageMenus {
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p.init()
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return p.pm
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}
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func (p *pageMenus) init() {
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p.pmInit.Do(func() {
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p.q = navigation.NewMenuQueryProvider(
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p,
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p.p.s,
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p.p,
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)
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var err error
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p.pm, err = navigation.PageMenusFromPage(p.p)
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if err != nil {
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p.p.s.Log.Errorln(p.p.wrapError(err))
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}
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})
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}
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