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path: root/management/editor/dom.go
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Diffstat (limited to 'management/editor/dom.go')
-rw-r--r--management/editor/dom.go258
1 files changed, 208 insertions, 50 deletions
diff --git a/management/editor/dom.go b/management/editor/dom.go
index cf36ad9..41aafa7 100644
--- a/management/editor/dom.go
+++ b/management/editor/dom.go
@@ -3,13 +3,14 @@ package editor
import (
"bytes"
"html"
+ "log"
"strings"
)
type element struct {
- TagName string
- Attrs map[string]string
- Name string
+ tagName string
+ attrs map[string]string
+ name string
label string
data string
viewBuf *bytes.Buffer
@@ -17,9 +18,9 @@ type element struct {
func newElement(tagName, label, fieldName string, p interface{}, attrs map[string]string) *element {
return &element{
- TagName: tagName,
- Attrs: attrs,
- Name: tagNameFromStructField(fieldName, p),
+ tagName: tagName,
+ attrs: attrs,
+ name: tagNameFromStructField(fieldName, p),
label: label,
data: valueFromStructField(fieldName, p),
viewBuf: &bytes.Buffer{},
@@ -29,108 +30,265 @@ func newElement(tagName, label, fieldName string, p interface{}, attrs map[strin
// domElementSelfClose is a special DOM element which is parsed as a
// self-closing tag and thus needs to be created differently
func domElementSelfClose(e *element) []byte {
- e.viewBuf.Write([]byte(`<div class="input-field col s12">`))
+ _, err := e.viewBuf.WriteString(`<div class="input-field col s12">`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
+ }
+
if e.label != "" {
- e.viewBuf.Write([]byte(`<label class="active" for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+ _, err = e.viewBuf.WriteString(
+ `<label class="active" for="` +
+ strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label +
+ `</label>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
+ }
+ }
+
+ _, err = e.viewBuf.WriteString(`<` + e.tagName + ` value="`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
+ }
+
+ _, err = e.viewBuf.WriteString(html.EscapeString(e.data) + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
+ }
+
+ for attr, value := range e.attrs {
+ _, err := e.viewBuf.WriteString(attr + `="` + value + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
+ }
+ }
+ _, err = e.viewBuf.WriteString(` name="` + e.name + `" />`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
}
- e.viewBuf.Write([]byte(`<` + e.TagName + ` value="`))
- e.viewBuf.Write([]byte(html.EscapeString(e.data) + `" `))
- for attr, value := range e.Attrs {
- e.viewBuf.Write([]byte(attr + `="` + value + `" `))
+ _, err = e.viewBuf.WriteString(`</div>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementSelfClose")
+ return nil
}
- e.viewBuf.Write([]byte(` name="` + e.Name + `"`))
- e.viewBuf.Write([]byte(` />`))
- e.viewBuf.Write([]byte(`</div>`))
return e.viewBuf.Bytes()
}
// domElementCheckbox is a special DOM element which is parsed as a
// checkbox input tag and thus needs to be created differently
func domElementCheckbox(e *element) []byte {
- e.viewBuf.Write([]byte(`<p class="col s6">`))
- e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+ _, err := e.viewBuf.WriteString(`<p class="col s6">`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
+
+ _, err = e.viewBuf.WriteString(`<` + e.tagName + ` `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
- for attr, value := range e.Attrs {
- e.viewBuf.Write([]byte(attr + `="` + value + `" `))
+ for attr, value := range e.attrs {
+ _, err := e.viewBuf.WriteString(attr + `="` + value + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(` name="` + e.Name + `"`))
- e.viewBuf.Write([]byte(` /> `))
+ _, err = e.viewBuf.WriteString(` name="` + e.name + `" />`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
+
if e.label != "" {
- e.viewBuf.Write([]byte(`<label for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+ _, err = e.viewBuf.WriteString(
+ `<label for="` +
+ strings.Join(strings.Split(e.label, " "), "-") + `">` +
+ e.label + `</label>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(`</p>`))
+
+ _, err = e.viewBuf.WriteString(`</p>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementCheckbox")
+ return nil
+ }
+
return e.viewBuf.Bytes()
}
// domElement creates a DOM element
func domElement(e *element) []byte {
- e.viewBuf.Write([]byte(`<div class="input-field col s12">`))
+ _, err := e.viewBuf.WriteString(`<div class="input-field col s12">`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
if e.label != "" {
- e.viewBuf.Write([]byte(`<label class="active" for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+ _, err = e.viewBuf.WriteString(
+ `<label class="active" for="` +
+ strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label +
+ `</label>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
- for attr, value := range e.Attrs {
- e.viewBuf.Write([]byte(attr + `="` + string(value) + `" `))
+ _, err = e.viewBuf.WriteString(`<` + e.tagName + ` `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
}
- e.viewBuf.Write([]byte(` name="` + e.Name + `"`))
- e.viewBuf.Write([]byte(` >`))
- e.viewBuf.Write([]byte(html.EscapeString(e.data)))
- e.viewBuf.Write([]byte(`</` + e.TagName + `>`))
+ for attr, value := range e.attrs {
+ _, err = e.viewBuf.WriteString(attr + `="` + string(value) + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
+ }
+ _, err = e.viewBuf.WriteString(` name="` + e.name + `" > `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
+
+ _, err = e.viewBuf.WriteString(html.EscapeString(e.data))
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
+
+ _, err = e.viewBuf.WriteString(`</` + e.tagName + `>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
+
+ _, err = e.viewBuf.WriteString(`</div>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElement")
+ return nil
+ }
- e.viewBuf.Write([]byte(`</div>`))
return e.viewBuf.Bytes()
}
func domElementWithChildrenSelect(e *element, children []*element) []byte {
- e.viewBuf.Write([]byte(`<div class="input-field col s6">`))
+ _, err := e.viewBuf.WriteString(`<div class="input-field col s6">`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
+ }
- e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+ _, err = e.viewBuf.WriteString(`<` + e.tagName + ` `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
+ }
- for attr, value := range e.Attrs {
- e.viewBuf.Write([]byte(attr + `="` + string(value) + `" `))
+ for attr, value := range e.attrs {
+ _, err = e.viewBuf.WriteString(attr + `="` + value + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
+ }
+ }
+ _, err = e.viewBuf.WriteString(` name="` + e.name + `" >`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
}
- e.viewBuf.Write([]byte(` name="` + e.Name + `"`))
- e.viewBuf.Write([]byte(` >`))
// loop over children and create domElement for each child
for _, child := range children {
- e.viewBuf.Write(domElement(child))
+ _, err = e.viewBuf.Write(domElement(child))
+ if err != nil {
+ log.Println("Error writing HTML domElement to buffer: domElementWithChildrenSelect")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(`</` + e.TagName + `>`))
+ _, err = e.viewBuf.WriteString(`</` + e.tagName + `>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
+ }
if e.label != "" {
- e.viewBuf.Write([]byte(`<label class="active">` + e.label + `</label>`))
+ _, err = e.viewBuf.WriteString(`<label class="active">` + e.label + `</label>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
+ }
+ }
+
+ _, err = e.viewBuf.WriteString(`</div>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenSelect")
+ return nil
}
- e.viewBuf.Write([]byte(`</div>`))
return e.viewBuf.Bytes()
}
func domElementWithChildrenCheckbox(e *element, children []*element) []byte {
- e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+ _, err := e.viewBuf.WriteString(`<` + e.tagName + ` `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
- for attr, value := range e.Attrs {
- e.viewBuf.Write([]byte(attr + `="` + value + `" `))
+ for attr, value := range e.attrs {
+ _, err = e.viewBuf.WriteString(attr + `="` + value + `" `)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(` >`))
+ _, err = e.viewBuf.WriteString(` >`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
if e.label != "" {
- e.viewBuf.Write([]byte(`<label class="active">` + e.label + `</label>`))
+ _, err = e.viewBuf.WriteString(`<label class="active">` + e.label + `</label>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
}
// loop over children and create domElement for each child
for _, child := range children {
- e.viewBuf.Write(domElementCheckbox(child))
+ _, err = e.viewBuf.Write(domElementCheckbox(child))
+ if err != nil {
+ log.Println("Error writing HTML domElementCheckbox to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
}
- e.viewBuf.Write([]byte(`</` + e.TagName + `><div class="clear padding">&nbsp;</div>`))
+ _, err = e.viewBuf.WriteString(`</` + e.tagName + `><div class="clear padding">&nbsp;</div>`)
+ if err != nil {
+ log.Println("Error writing HTML string to buffer: domElementWithChildrenCheckbox")
+ return nil
+ }
return e.viewBuf.Bytes()
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-04 11:25:31 +0000