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/
ace.go
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/
ace.go
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// Copyright 2018 Google Inc.
//
// 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 dom
import (
"math"
"github.com/gopherjs/gopherjs/js"
)
// Ace editor modes and themes.
const (
// Ace modes.
AceGoMode = "ace/mode/golang"
AceJSONMode = "ace/mode/json"
// Ace themes.
AceChromeTheme = "ace/theme/chrome"
AceTomorrowNightBrightTheme = "ace/theme/tomorrow_night_bright"
)
// Ace wraps an "ace" object (usually global).
type Ace struct {
Object
}
// GlobalAce returns the global "ace" object.
func GlobalAce() *Ace {
o := js.Global.Get("ace")
if o == nil {
return nil
}
return &Ace{WrapObject(o)}
}
// AceEditor is an Ace editor.
type AceEditor struct {
Object
}
// Edit attaches an Ace edit session to an element and returns the editor object,
// or nil (if ace.edit returns null).
func (ace Ace) Edit(id string) *AceEditor {
o := ace.Call("edit", id)
if o == nil {
return nil
}
e := &AceEditor{o}
e.Set("$blockScrolling", math.Inf(1)) // Make console warnings shut up
return e
}
// SetTheme sets the editor theme.
func (e *AceEditor) SetTheme(theme string) *AceEditor {
e.Call("setTheme", theme)
return e
}
// AceSession is an Ace editor session.
type AceSession struct {
Object
}
// Session returns a session for this editor.
func (e *AceEditor) Session() *AceSession {
return &AceSession{e.Call("getSession")}
}
// SetMode sets the session mode (language).
func (s *AceSession) SetMode(mode string) *AceSession {
s.Call("setMode", mode)
return s
}
// SetUseSoftTabs changes the soft-tabs mode of the session.
func (s *AceSession) SetUseSoftTabs(b bool) *AceSession {
s.Call("setUseSoftTabs", b)
return s
}
// On adds a handler (on change, etc).
func (s *AceSession) On(event string, h func(e Object)) *AceSession {
s.Call("on", event, func(e *js.Object) {
h(WrapObject(e))
})
return s
}
// SetValue puts new contents in the session.
func (s *AceSession) SetValue(contents string) {
s.Call("setValue", contents)
}
// Value returns the session's current contents.
func (s *AceSession) Value() string {
return s.Call("getValue").String()
}