1 files changed, 136 insertions, 0 deletions
diff --git a/management/editor/dom.go b/management/editor/dom.go
new file mode 100644
index 0000000..cf36ad9
--- /dev/null
+++ b/management/editor/dom.go
@@ -0,0 +1,136 @@
+package editor
+
+import (
+	"bytes"
+	"html"
+	"strings"
+)
+
+type element struct {
+	TagName string
+	Attrs   map[string]string
+	Name    string
+	label   string
+	data    string
+	viewBuf *bytes.Buffer
+}
+
+func newElement(tagName, label, fieldName string, p interface{}, attrs map[string]string) *element {
+	return &element{
+		TagName: tagName,
+		Attrs:   attrs,
+		Name:    tagNameFromStructField(fieldName, p),
+		label:   label,
+		data:    valueFromStructField(fieldName, p),
+		viewBuf: &bytes.Buffer{},
+	}
+}
+
+// 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">`))
+	if e.label != "" {
+		e.viewBuf.Write([]byte(`<label class="active" for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+	}
+	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 + `" `))
+	}
+	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 + ` `))
+
+	for attr, value := range e.Attrs {
+		e.viewBuf.Write([]byte(attr + `="` + value + `" `))
+	}
+	e.viewBuf.Write([]byte(` name="` + e.Name + `"`))
+	e.viewBuf.Write([]byte(` /> `))
+	if e.label != "" {
+		e.viewBuf.Write([]byte(`<label for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+	}
+	e.viewBuf.Write([]byte(`</p>`))
+	return e.viewBuf.Bytes()
+}
+
+// domElement creates a DOM element
+func domElement(e *element) []byte {
+	e.viewBuf.Write([]byte(`<div class="input-field col s12">`))
+
+	if e.label != "" {
+		e.viewBuf.Write([]byte(`<label class="active" for="` + strings.Join(strings.Split(e.label, " "), "-") + `">` + e.label + `</label>`))
+	}
+	e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+
+	for attr, value := range e.Attrs {
+		e.viewBuf.Write([]byte(attr + `="` + string(value) + `" `))
+	}
+	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 + `>`))
+
+	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">`))
+
+	e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+
+	for attr, value := range e.Attrs {
+		e.viewBuf.Write([]byte(attr + `="` + string(value) + `" `))
+	}
+	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))
+	}
+
+	e.viewBuf.Write([]byte(`</` + e.TagName + `>`))
+
+	if e.label != "" {
+		e.viewBuf.Write([]byte(`<label class="active">` + e.label + `</label>`))
+	}
+
+	e.viewBuf.Write([]byte(`</div>`))
+	return e.viewBuf.Bytes()
+}
+
+func domElementWithChildrenCheckbox(e *element, children []*element) []byte {
+	e.viewBuf.Write([]byte(`<` + e.TagName + ` `))
+
+	for attr, value := range e.Attrs {
+		e.viewBuf.Write([]byte(attr + `="` + value + `" `))
+	}
+
+	e.viewBuf.Write([]byte(` >`))
+
+	if e.label != "" {
+		e.viewBuf.Write([]byte(`<label class="active">` + e.label + `</label>`))
+	}
+
+	// loop over children and create domElement for each child
+	for _, child := range children {
+		e.viewBuf.Write(domElementCheckbox(child))
+	}
+
+	e.viewBuf.Write([]byte(`</` + e.TagName + `><div class="clear padding">&nbsp;</div>`))
+
+	return e.viewBuf.Bytes()
+}