Get min and max values.

I made some web apps in our lab.
I want to make mmp app. For make it, I need function that can set range like spotfire.
HTML5 range tag is not enough.
….
I found good JS library noUiSlier !
It’s easy to get min and max value from slid-bar.
I wrote code using flask.
Sample folder are….

iwatobipen$ tree
.
├── app.py
├── static
│   ├── jquery-1.11.1.min.js
│   └── noUiSlider.7.0.8
│       ├── README.md
│       ├── jquery.nouislider.all.js
│       ├── jquery.nouislider.all.min.js
│       ├── jquery.nouislider.css
│       ├── jquery.nouislider.js
│       ├── jquery.nouislider.min.css
│       ├── jquery.nouislider.min.js
│       ├── jquery.nouislider.pips.css
│       └── jquery.nouislider.pips.min.css
└── templates
    ├── index.html
    └── sample.html

app.py was simple.

from flask import Flask, url_for, jsonify, request
from flask import render_template
from flask_bootstrap import Bootstrap


app = Flask(__name__)
Bootstrap( app )

@app.route('/')
def top():
    return render_template('index.html')

@app.route('/testpage1')
def sample():
    return render_template('sample.html')

if __name__=="__main__":
    app.run(debug=True)

Next, wrote sample.html

{% extends 'bootstrap/base.html' %} 
{% block title %} samole {% endblock title %}
{% block styles %}
{{ super() }}
<link href="{{ url_for('static', filename="noUiSlider.7.0.8/jquery.nouislider.min.css") }}" rel="stylesheet">
<link href="{{ url_for('static', filename="noUiSlider.7.0.8/jquery.nouislider.pips.min.css") }}" rel="stylesheet">
{% endblock styles %}
{% block scripts %}
{{ super() }}
<script type=text/javascript src="{{ url_for('static', filename="jquery-1.11.1.min.js") }}"></script>
<script type=text/javascript src="{{ url_for('static', filename="noUiSlider.7.0.8/jquery.nouislider.all.min.js") }}"></script>
			
<script>
$('#testslider').noUiSlider({
		start: [ 0, 20 ],
		connect: true,
			range: {
						'min': -40,
						'max': 40
								}
});
</script>
 <script>
$("#read-button").click(function(){
		alert( $('#testslider').val());
		});
 </script>

<script>
function leftValue( value, handle, slider ){
	$(this).text( handle.parent()[0].style.left );
};
$("#testslider").Link("lower").to($("#lower-value"));
$("#testslider").Link("lower").to($("#lower-offset"), leftValue);

$("#testslider").Link("upper").to($("#upper-value"));
$("#testslider").Link("upper").to($("#upper-offset"), leftValue);
</script>

{% block head %}
{{ super() }}
<style>
div.example {
	padding: 20px;
}
</style>

{% endblock %}

{% endblock scripts %}

{% block content %}
<div class="example">
 <div class="view">
	 <p> noUiSliderber test </p><br><br>
 <div id="testslider" style="width:200px;"></div>
 <br>
 <button id="read-button">read min-max</button>
 <br><br>
 minvalue<br>
 <span id="lower-value"></span><br>
 <span id="lower-offset"></span><br>
 maxvalue<br>
 <span id="upper-value"></span><br>
 <span id="upper-offset"></span><br>
{% endblock %}

This code is very simple, only slider bar and that bar can get min and max value.
So, integrate ajax, it’s easy to generate SQL with some data range.

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