goform

goform generate HTML forms dynamically and super easy using Golang/Go.

Status

In development V2.0

Description

goform is a super simple form generator, create dynamic forms without having to write HTML.

Templates included:

• bootstrap5
• html

By default goform render forms in Bootstrap 5 style, also its posible to choose html format, where the inputs are render in plain html (no divs, no labels, ...)

If anyone need a custom template or custom items, goform has the option to choose custom template.

TODO:

• Parse HTML in textlabel element
• Remove Elements Functions
• Enable Set/Group of elements

Example

package main

import(
    "text/template"

    "github.com/irob/goform"
)

var res = make(map[string]interface{})
var tmpl = template.Must(template.ParseGlob("tmpl/*"))

func main () {

    nInputs := 8

    // CitiesList slice of cities
    var CitiesList = []OptionItem{{Key: "", Value: "Choose your favorite city"}, {Key: "AMS", Value: "Amsterdam"}, {Key: "VEN", Value: "Venice"}, {Key: "KYO", Value: "Kyoto"}, {Key: "PAR", Value: "Paris"}, {Key: "DOH", Value: "Doha"}, {Key: "BAR", Value: "Barcelona"}, {Key: "SMA", Value: "San Miguel de Allende"}, {Key: "BUD", Value: "Budapest"}, {Key: "LIS", Value: "Lisbon"}, {Key: "FLO", Value: "Florence"}, {Key: "HNK", Value: "Hong Kong"}, {Key: "BRU", Value: "Bruges"}}
    // AgeRanges slice of ranges of ages
    var AgeRanges = []OptionItem{{Key: "1", Value: "1 - 9 yo"}, {Key: "2", Value: "10 - 19 yo"}, {Key: "3", Value: "20 - 29 yo"}, {Key: "4", Value: "30 - 39 yo"}, {Key: "5", Value: "40 - 49 yo"}, {Key: "6", Value: ">= 50 yo"}}

    form := Create("profile_form", "POST", "/goform")

    form.DefaultGroupClass("col-md-12")
    form.DefaultGroupClass("mb-2")

    // Label input
    form.NewElement("label", "userdetails", "User profile")

    // Text input
    form.NewElement("text", "text", "")
    form.SetLabel("text", "What's your name")

    // Textlabel input
    form.NewElement("textlabel", "username", "john@bender.com")
    form.SetLabel("username", "Your username:")

    // Password input
    form.NewElement("password", "password", "")

    // Select input
    form.NewElement("select", "select", "VEN")
    form.SetOptions("select", CitiesList)

    // Radio input
    form.NewElement("radio", "radio", "")
    form.SetLabel("radio", "Age range")
    form.SetOptions("radio", AgeRanges)

    // Textarea
    form.NewElement("textarea", "textarea", "")
    form.SetHelpText("textarea", "Error, must write a resume description")

    // Checkbox
    form.NewElement("checkbox", "checkbox", "")

    // File input
    form.NewElement("file", "file", "")

    // Hidden
    form.NewElement("hidden", "hidden", "")

    // Full address init
    form.NewElement("label", "address_info", "Full address")
    form.AddGroupClass("address_info", "col-md-2")
    form.AddGroupClass("address_info", "mb-2")

    form.NewElement("text", "street", "")
    form.SetPlaceHolder("street", "Street")
    form.AddParams("street", "maxlength", "20")
    form.AddGroupClass("street", "col-md-4")
    form.AddGroupClass("street", "mb-2")

    form.NewElement("text", "number", "")
    form.SetPlaceHolder("number", "Number")
    form.AddParams("number", "maxlength", "20")
    form.AddGroupClass("number", "col-md-2")
    form.AddGroupClass("number", "mb-2")

    form.NewElement("select", "city", "VEN")
    form.SetOptions("city", CitiesList)
    form.AddGroupClass("city", "col-md-4")
    form.AddGroupClass("city", "mb-2")
    // Full address end

    form.NewRow("skills")
    // Dyanmic inputs
    for i := 1; i <= nInputs; i++ {
        form.NewElement("text", "skill_"+strconv.Itoa(i), "")
        form.SetPlaceHolder("skill_"+strconv.Itoa(i), "Skill "+strconv.Itoa(i))
        form.AddGroupClass("skill_"+strconv.Itoa(i), "col-md-6")
        form.AddGroupClass("skill_"+strconv.Itoa(i), "mb-2")
    }

    // Buttons
    form.NewElement("submit", "submit", "Update profile")
    form.AddClass("submit", "btn-success")
    form.AddClass("submit", "btn-lg")
    form.AddClass("submit", "btn-xl")
    form.AddClass("submit", "btn-block")
    form.AddClass("submit", "w-100")

    form.NewElement("button", "button", "Cancel edit profile")
    form.AddClass("button", "btn-secondary")
    form.AddClass("button", "btn-lg")
    form.AddClass("button", "btn-xl")

    // Send to template
    res["Form"] = form

    tmpl.ExecuteTemplate(w, "HTMLTemplate", res)
}

In your HTML template place {{ .Form.Render }}

Real demo

https://robertomo.com/goform

Requests or bugs?

https://github.com/irob/goform/issues

Installation

go get github.com/irob/goform

Use you custom templates

/templates/custom_templates is a templete based on Bootstrap5.

Step 1.-
Move/Copy the folder /templates into your application, rename/copy the subdirectory /custom_templates.

Step 2.-
Customize the .html files of the elements you want with your own HTML format.

Step 3.-
Change the form style template name to you new template form.SetOwnStyleTemplate(YOUR_CUSTOM_THEME_NAME).

License

The source files are distributed under the Mozilla Public License, version 2.0, unless otherwise noted. Please read the FAQ if you have further questions regarding the license.