github.com/oam-dev/kubevela@v1.9.11/references/cli/top/component/crumbs.go (about)

     1  /*
     2  Copyright 2022 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package component
    18  
    19  import (
    20  	"github.com/rivo/tview"
    21  
    22  	"github.com/oam-dev/kubevela/references/cli/top/config"
    23  	"github.com/oam-dev/kubevela/references/cli/top/model"
    24  )
    25  
    26  // Crumbs component lay on footer of app and indicate resource level
    27  type Crumbs struct {
    28  	*tview.Flex
    29  	style *config.ThemeConfig
    30  }
    31  
    32  // NewCrumbs return a new crumbs component
    33  func NewCrumbs(config *config.ThemeConfig) *Crumbs {
    34  	c := &Crumbs{
    35  		Flex:  tview.NewFlex(),
    36  		style: config,
    37  	}
    38  	return c
    39  }
    40  
    41  // StackPop change itself when accept "pop" notify from app's main view
    42  func (c *Crumbs) StackPop(_, _ model.View) {
    43  	num := c.GetItemCount()
    44  	if num >= 2 {
    45  		c.RemoveItem(c.GetItem(num - 1))
    46  		c.RemoveItem(c.GetItem(num - 2))
    47  	}
    48  }
    49  
    50  // StackPush change itself when accept "push" notify from app's main view
    51  func (c *Crumbs) StackPush(_, new model.View) {
    52  	name := new.Name()
    53  	t := tview.NewTextView()
    54  	t.SetTextColor(c.style.Crumbs.Foreground.Color())
    55  	t.SetBackgroundColor(c.style.Crumbs.Background.Color())
    56  	t.SetTextAlign(tview.AlignCenter)
    57  
    58  	t.SetText(name)
    59  	c.AddItem(t, len(name)+2, 0, false)
    60  	c.AddItem(tview.NewTextView(), 1, 0, false)
    61  }