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helpTextTipsWidget.go
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helpTextTipsWidget.go
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// Copyright (c) 2016 ECS Team, Inc. - All Rights Reserved
// https://github.com/ECSTeam/cloudfoundry-top-plugin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ui
import (
"errors"
"fmt"
"regexp"
"github.com/ecsteam/cloudfoundry-top-plugin/ui/masterUIInterface"
"github.com/jroimartin/gocui"
)
type HelpTextTipsWidget struct {
masterUI masterUIInterface.MasterUIInterface
name string
height int
formatTextRegex *regexp.Regexp
helpTextTips string
}
func NewHelpTextTipsWidget(masterUI masterUIInterface.MasterUIInterface, name string, height int) *HelpTextTipsWidget {
w := &HelpTextTipsWidget{masterUI: masterUI, name: name, height: height}
w.formatTextRegex = regexp.MustCompile(`\*\*([^\*]*)*\*\*`)
return w
}
func (w *HelpTextTipsWidget) Name() string {
return w.name
}
func (w *HelpTextTipsWidget) Layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
v, err := g.SetView(w.name, 0, maxY-w.height, maxX-1, maxY)
if err != nil {
if err != gocui.ErrUnknownView {
return errors.New(w.name + " layout error:" + err.Error())
}
v.Frame = false
return w.showHelpTextTips(g, v)
}
return nil
}
func (w *HelpTextTipsWidget) SetHelpTextTips(g *gocui.Gui, helpTextTips string) error {
w.helpTextTips = w.formatText(helpTextTips)
v, err := g.View(w.name)
if err != nil {
return err
}
return w.showHelpTextTips(g, v)
}
func (w *HelpTextTipsWidget) showHelpTextTips(g *gocui.Gui, v *gocui.View) error {
v.Clear()
fmt.Fprint(v, w.helpTextTips)
return nil
}
func (w *HelpTextTipsWidget) formatText(text string) string {
return w.formatTextRegex.ReplaceAllString(text, "\033[37;1m${1}\033[0m")
}