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-/*
- * Copyright (C) 2015 "IoT.bzh"
- * Author "Fulup Ar Foll"
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Bugs: Input with Callback SHOULD BE get 'required' class
- *
- * ref: https://developer.mozilla.org/en-US/docs/Web/Events/mouseover
- *
- * usage:
-Usage <range-slider>
----------------------
- <range-slider
- id="my-slider-name" // only use as an argument to callback
- class="my-custom-class" // default class is ibz-range-slider
- placeholder="Track Date Selection" // place holder for date readonly input zone
-
- <!-- Foundation classes -->
- class="radius" // check Zurb foundation doc for further info.
- class="ibz-handle-display" // increase handle width to hold slider current value
-
- <!-- Angular Scope Variables -->
- callback="myCallBack" // $scope.myCallBack(sliderhandle) is called when ever slider handle blur
- formatter="SliderFormatCB" // $scope.myFormatter(value, sliderid) when exist is call when ever slider handle moves. Should return external form of slider value.
- ng-model="xxxxxx" // xxx Must be defined, script will store a new RangerObject within provided ng-model variable.
- start-at="ScopeVar" // Dynamic limitation when slider is constrains by an external componant [ex: check in/out]
- stop-at="ScopeVar" // Idem but for end.
-
- <!-- Angular Directive Attributes -->
- not-less="integer" // Fixed starting value for slider [default 0]
- not-more="integer" // Fixed end value for sliders [default 100]
- by-step="+-integer" // If by-step is >0 then slider use it as step-value, when negative use it for decimal precision
- display-target="handle" // display slider external formated value in the handle [requirer calss="ibz-handle-display"]
- dual-handles='true' // add a second handle to slider for min/max range
- initial='value|[start/stop]' // slider initial value [dual-handles] may have initial values
- /></range-slider>
- */
-
-(function () {
- 'use strict';
-
-var RangeSlider = angular.module('RangeSlider',[]);
-
-function RangeSliderHandle (scope) {
- var internals = [];
- var externals = [];
-
- this.getId = function() {
- return scope.sliderid;
- };
-
- this.getCbHandle = function() {
- return scope.cbhandle;
- };
-
- this.getView= function (handle) {
- if (!handle) handle = 0;
-
- // if value did not change return current external representation
- if (scope.value[handle] === internals[handle]) return externals[handle];
-
- // build external representation and save it for further requests
- internals[handle] = scope.value[handle];
- if (scope.formatter) externals[handle] = scope.formatter(scope.value[handle], scope.ctrlhandle);
- else externals[handle] = scope.value[handle];
-
- return externals[handle];
- };
-
- this.updateClass = function (classe, status) {
- scope.updateClass (classe, status);
- };
-
- this.forceRefresh = function (timer) {
- scope.forceRefresh(timer);
- };
-
- this.getValue= function (handle) {
- if (!handle) handle = 0;
- return scope.value[handle];
- };
-
- this.getRelative= function (handle) {
- if (!handle) handle = 0;
- return scope.relative[handle];
- };
-
- this.setValue= function (value, handle) {
- if (!handle) handle = 0;
- scope.setValue (value, handle);
- };
-
- this.setDisable= function (flag) {
- scope.setDisable(flag);
- };
-}
-
-RangeSlider.directive('rangeSlider', function ($log, $document, $timeout) {
-
- var template= '<div class="ibz-range-slider range-slider" title="{{title}}"data-slider>'+
- '<span class="range-slider-handle handle-min" ng-mousedown="handleCB($event,0)" ng-focus="focusCB(true)" ng-blur="focusCB(false)" role="slider" tabindex="0"></span>'+
- '<span class="handle-max" ng-mousedown="handleCB($event,1)" ng-focus="focusCB(true)" ng-blur="focusCB(false)" role="slider" tabindex="0"></span>'+
- '<span class="range-slider-active-segment"></span>'+
- '<span class="ibz-range-slider-start" ></span> '+
- '<span class="ibz-range-slider-stop"></span> '+
- '<input id={{sliderid}} type="hidden">'+
- '</div>';
-
-
- function link (scope, element, attrs, model) {
- // full initialisation of slider from a single object
- scope.initWidget = function (initvalues) {
-
- if (initvalues.byStep) scope.byStep = parseInt(initvalues.byStep);
- if (initvalues.notMore) scope.notMore = parseInt(initvalues.notMore);
- if (initvalues.notLess) scope.notLess = parseInt(initvalues.notLess);
- if (initvalues.id) scope.sliderid= initvalues.id;
-
- // hugely but in some case DOM is not finish when we try to set values !!!
- if (initvalues.value !== undefined) {
- scope.value = initvalues.value;
- scope.forceRefresh (50); // wait 50ms for DOM to be ready
- }
- };
-
- // this function recompute slide positioning
- scope.forceRefresh = function (timer) {
- var value = scope.value;
- scope.value = [undefined,undefined];
- $timeout (function() {
- scope.setValue(value[0],0);
- if (scope.dual) scope.setValue(value[1],1);
- }, timer);
- };
-
- // handler to change class from slider handle
- scope.updateClass = function (classe, status) {
-
- if (status) element.addClass (classe);
- else element.removeClass (classe);
- };
-
- scope.setDisable = function (disabled) {
-
- if (disabled) {
- element.addClass ("disable");
- scope.handles[0].css ('visibility','hidden');
- if (scope.dual) {
- scope.handles[1].css ('visibility','hidden');
- }
- } else {
- element.removeClass ("disable");
- scope.handles[0].css ('visibility','visible');
- if (scope.dual) scope.handles[1].css ('visibility','visible');
- }
-
- };
-
- scope.normalize = function (value) {
- var result;
- var range = scope.notMore - scope.notLess;
- var point = value * range;
-
- // if step is positive let's round step by step
- if (scope.byStep > 0) {
- var mod = (point - (point % scope.byStep)) / scope.byStep;
- var rem = point % scope.byStep;
-
- var round = (rem >= scope.byStep * 0.5 ? scope.byStep : 0);
- result= (mod * scope.byStep + round) + scope.notLess;
- //console.log ("range=%d value=%d point=%d mod=%d rem=%d round=%d result=%d", range, value, point, mod, rem, round, result)
- return result;
- }
-
- // if step is negative return round to asked decimal
- if (scope.byStep < 0) {
- var power = Math.pow (10,(scope.byStep * -1));
- result = scope.notLess + parseInt (point * power) / power;
- return (result);
- }
-
- // if step is null return full value
- return point;
- };
-
- // return current value
- scope.getValue = function (offset, handle) {
- if (scope.vertical) {
- scope.relative[handle] = (offset - scope.bounds.handles[handle].getBoundingClientRect().height) / (scope.bounds.bar.getBoundingClientRect().height - scope.bounds.handles[handle].getBoundingClientRect().height);
- } else {
- scope.relative[handle] = offset / (scope.bounds.bar.getBoundingClientRect().width - scope.bounds.handles[handle].getBoundingClientRect().width);
- }
-
- var newvalue = scope.normalize (scope.relative[handle]);
-
-
- // if internal value change update or model
- if (newvalue !== scope.value[handle]) {
- if (newvalue < scope.startValue) newvalue=scope.startValue;
- if (newvalue > scope.stopValue) newvalue=scope.stopValue;
-
-
- if (scope.formatter) {
- scope.viewValue = scope.formatter (newvalue, scope.ctrlhandle);
- } else {
- scope.viewValue = newvalue;
- }
- if (scope.displays[handle]) {
- scope.displays[handle].html (scope.viewValue);
- }
-
- // update external representation of the model
- scope.value[handle] = newvalue;
- if (model) model.$setViewValue (scope.viewValue);
- scope.$apply();
- if (newvalue > scope.startValue && newvalue < scope.stopValue) scope.translate(offset, handle);
- }
- };
-
-
- scope.setStart = function (value) {
- var offset;
-
- if (value > scope.value[0]) {
- if (!scope.dual) scope.setValue (value,0);
- else scope.setValue (value,1);
- }
-
- if (scope.vertical) {
- offset = scope.bounds.bar.getBoundingClientRect().height * (value - scope.notLess) / (scope.notMore - scope.notLess);
- scope.start.css('height',offset + 'px');
- } else {
- offset = scope.bounds.bar.getBoundingClientRect().width * (value - scope.notLess) / (scope.notMore - scope.notLess);
- scope.start.css('width',offset + 'px');
- }
-
- scope.startValue= value;
- };
-
- scope.setStop = function (value) {
- var offset;
-
- if (value < scope.value[0]) {
- if (!scope.dual) scope.setValue (value,0);
- else scope.setValue (value,1);
- }
-
- if (scope.vertical) {
- offset = scope.bounds.bar.getBoundingClientRect().height * (value - scope.notLess) / (scope.notMore - scope.notLess);
- scope.start.css('height',offset + 'px');
- } else {
- offset = scope.bounds.bar.getBoundingClientRect().width * (value - scope.notLess) / (scope.notMore - scope.notLess);
- scope.stop.css({'right': 0, 'width': (scope.bounds.bar.getBoundingClientRect().width - offset) + 'px'});
- }
-
- scope.stopValue= value;
- };
-
- scope.translate = function (offset, handle) {
- var start;
-
- if (scope.vertical) {
- // take handle size in account to compute middle
- var voffset = scope.bounds.bar.getBoundingClientRect().height - offset;
-
- scope.handles[handle].css({
- '-webkit-transform': 'translateY(' + voffset + 'px)',
- '-moz-transform': 'translateY(' + voffset + 'px)',
- '-ms-transform': 'translateY(' + voffset + 'px)',
- '-o-transform': 'translateY(' + voffset + 'px)',
- 'transform': 'translateY(' + voffset + 'px)'
- });
- if (!scope.dual) scope.slider.css('height', offset + 'px');
- else if (scope.relative[1] && scope.relative[0]) {
- var height = (scope.relative[1] - scope.relative[0]) * scope.bounds.bar.getBoundingClientRect().height;
- start = (scope.relative[0] * scope.bounds.bar.getBoundingClientRect().height);
- scope.slider.css ({'bottom': start+'px','height': height + 'px'});
- }
- } else {
-
- scope.handles[handle].css({
- '-webkit-transform': 'translateX(' + offset + 'px)',
- '-moz-transform': 'translateX(' + offset + 'px)',
- '-ms-transform': 'translateX(' + offset + 'px)',
- '-o-transform': 'translateX(' + offset + 'px)',
- 'transform': 'translateX(' + offset + 'px)'
- });
- if (!scope.dual) scope.slider.css('width',offset + 'px');
- else if (scope.relative[1] && scope.relative[0]) {
- var width = (scope.relative[1] - scope.relative[0]) * scope.bounds.bar.getBoundingClientRect().width;
- start = (scope.relative[0] * scope.bounds.bar.getBoundingClientRect().width);
- scope.slider.css ({'left': start+'px','width': width + 'px'});
- }
- }
- };
-
- // position handle on the bar depending a given value
- scope.setValue = function (value , handle) {
- var offset;
-
- // if value did not change ignore
- if (value === scope.value[handle]) return;
- if (value === undefined) value=0;
- if (value > scope.notMore) value=scope.notMore;
- if (value < scope.notLess) value=scope.notLess;
-
- if (scope.vertical) {
- scope.relative[handle] = (value - scope.notLess) / (scope.notMore - scope.notLess);
- if (handle === 0) offset = (scope.relative[handle] * scope.bounds.bar.getBoundingClientRect().height) + scope.bounds.handles[handle].getBoundingClientRect().height/2;
- if (handle === 1) offset = scope.relative[handle] * scope.bounds.bar.getBoundingClientRect().height;
-
- } else {
- scope.relative[handle] = (value - scope.notLess) / (scope.notMore - scope.notLess);
- offset = scope.relative[handle] * (scope.bounds.bar.getBoundingClientRect().width - scope.bounds.handles[handle].getBoundingClientRect().width);
- }
-
- scope.translate (offset,handle);
- scope.value[handle] = value;
-
- if (scope.formatter) {
- // when call through setValue we do not pass cbHandle
- scope.viewValue = scope.formatter (value, undefined);
- } else {
- scope.viewValue = value;
- }
-
- if (model) model.$setViewValue( scope.viewValue);
-
- if (scope.displays[handle]) {
- scope.displays[handle].html (scope.viewValue);
- }
- };
-
-
- // Minimal keystroke handling to close picker with ESC [scope.actif is current handle index]
- scope.keydown= function(e){
-
- switch(e.keyCode){
- case 39: // Right
- case 38: // up
- if (scope.byStep > 0) scope.$apply(scope.setValue ((scope.value[scope.actif]+scope.byStep), scope.actif));
- if (scope.byStep < 0) scope.$apply(scope.setValue ((scope.value[scope.actif]+(1 / Math.pow(10, scope.byStep*-1))),scope.actif));
- if (scope.callback) scope.callback (scope.value[scope.actif], scope.ctrlhandle);
- break;
- case 37: // left
- case 40: // down
- if (scope.byStep > 0) scope.$apply(scope.setValue ((scope.value[scope.actif] - scope.byStep), scope.actif));
- if (scope.byStep < 0) scope.$apply(scope.setValue ((scope.value[scope.actif] - (1 / Math.pow(10, scope.byStep*-1))),scope.actif));
- if (scope.callback) scope.callback (scope.value[scope.actif], scope.ctrlhandle);
- break;
- case 27: // esc
- scope.handles[scope.actif][0].blur();
- }
- };
-
- scope.moveHandle = function (handle, clientX, clientY) {
- var offset;
- if (scope.vertical) {
- offset = scope.bounds.bar.getBoundingClientRect().bottom - clientY;
- if (offset > scope.bounds.bar.getBoundingClientRect().height) offset = scope.bounds.bar.getBoundingClientRect().height;
- if (offset < scope.bounds.handles[handle].getBoundingClientRect().height) offset = scope.bounds.handles[handle].getBoundingClientRect().height;
- } else {
- offset = clientX - scope.bounds.bar.getBoundingClientRect().left;
-
- if (offset < 0) offset = 0;
- if ((clientX + scope.bounds.handles[handle].getBoundingClientRect().width) > scope.bounds.bar.getBoundingClientRect().right) {
- offset = scope.bounds.bar.getBoundingClientRect().width - scope.bounds.handles[handle].getBoundingClientRect().width;
- }
- }
-
- scope.getValue (offset, handle);
-
- // prevent dual handle to cross
- if (scope.dual && scope.value [0] > scope.value[1]) {
- if (handle === 0) scope.setValue (scope.value[0] , 1);
- else scope.setValue(scope.value[1],0);
- }
- };
-
-
- scope.focusCB = function (inside) {
- if (inside) {
- $document.on('keydown',scope.keydown);
- } else {
- $document.unbind('keydown',scope.keydown);
- }
- };
-
- // bar was touch let move handle to this point
- scope.touchBarCB = function (event) {
- var handle=0;
- var relative;
- var touches = event.changedTouches;
- var oldvalue = scope.value[handle];
-
- event.preventDefault();
-
- // if we have two handles select closest one from touch point
- if (scope.dual) {
- if (scope.vertical) relative = (touches[0].pageY - scope.bounds.bar.getBoundingClientRect().bottom) / scope.bounds.bar.getBoundingClientRect().height;
- else relative= (touches[0].pageX - scope.bounds.bar.getBoundingClientRect().left) / scope.bounds.bar.getBoundingClientRect().width;
-
- var distance0 = Math.abs(relative - scope.relative[0]);
- var distance1 = Math.abs(relative - scope.relative[1]);
- if (distance1 < distance0) handle=1;
- }
-
- // move handle to new place
- scope.moveHandle (handle,touches[0].pageX, touches[0].pageY);
- if (scope.callback && oldvalue !== scope.value[handle]) scope.callback (scope.value[handle], scope.ctrlhandle);
- };
-
- // handle was touch and drag
- scope.touchHandleCB = function (touchevt, handle) {
- var oldvalue = scope.value[handle];
-
- touchevt.preventDefault();
- $document.on('touchmove',touchmove);
- $document.on('touchend' ,touchend);
- element.unbind('touchstart', scope.touchBarCB);
-
- function touchmove(event) {
- event.preventDefault();
- var touches = event.changedTouches;
- for (var idx = 0; idx < touches.length; idx++) {
- scope.moveHandle (handle,touches[idx].pageX, touches[idx].pageY);
- }
- }
-
- function touchend(event) {
- $document.unbind('touchmove',touchmove);
- $document.unbind('touchend' ,touchend);
- element.on('touchstart', scope.touchBarCB);
-
- // if value change notify application callback
- if (scope.callback && oldvalue !== scope.value[handle]) scope.callback (scope.value[handle], scope.ctrlhandle);
- }
- };
-
- scope.handleCB = function (clickevent, handle) {
-
- if (attrs.automatic) return;
-
- var oldvalue = scope.value[handle];
- // register mouse event to track handle
- clickevent.preventDefault();
-
- $document.on('mousemove',mousemove);
- $document.on('mouseup', mouseup);
- scope.handles[handle][0].focus();
- scope.actif=handle;
-
- // slider handle is moving
- function mousemove(event) {
- scope.moveHandle (handle, event.clientX, event.clientY);
- }
-
- // mouse is up dans leave slider send resize events
- function mouseup() {
- $document.unbind('mousemove', mousemove);
- $document.unbind('mouseup', mouseup);
-
- // if value change notify application callback
- if (scope.callback && oldvalue !== scope.value[handle]) scope.callback (scope.value[handle], scope.ctrlhandle);
- }
- };
-
- // simulate jquery find by classes capabilities [warning only return 1st elements]
- scope.find = function (select, elem) {
- var domelem;
-
- if (elem) domelem = elem[0].querySelector(select);
- else domelem = element[0].querySelector(select);
-
- var angelem = angular.element(domelem);
- return (angelem);
- };
-
-
-
- scope.initialSettings = function (initial) {
- var decimal_places_match_result;
- scope.value=[]; // store low/height value when two handles
- scope.relative=[];
-
- if (scope.precision === null) {
- decimal_places_match_result = ('' + scope.byStep).match(/\.([\d]*)/);
- scope.precision = decimal_places_match_result && decimal_places_match_result[1] ? decimal_places_match_result[1].length : 0;
- }
-
- // position handle to initial value(s)
- element.on('touchstart', scope.touchBarCB);
- scope.handles[0].on('touchstart', function(evt){scope.touchHandleCB(evt,0);});
-
- // this slider has two handles low/hight
- if (scope.dual) {
- scope.handles[1].addClass('range-slider-handle');
- scope.handles[1].on('touchstart', function(evt){scope.touchHandleCB(evt,1);});
- if (!scope.initvalues) scope.setValue (initial[1],1);
- }
-
- // if we have an initstate object apply it
- if (scope.initvalues) scope.initWidget (scope.initvalues);
- else scope.setValue (initial[0],0);
- };
-
- scope.init = function () {
- scope.sliderid = attrs.id || "slider-" + parseInt (Math.random() * 1000);
- scope.startValue = -Infinity;
- scope.stopValue = Infinity;
- scope.byStep = parseInt(attrs.byStep) || 1;
- scope.vertical = attrs.vertical || false;
- scope.dual = attrs.dualHandles|| false;
- scope.trigger_input_change= false;
- scope.notMore = parseInt(attrs.notMore) || 100;
- scope.notLess = parseInt(attrs.notLess) || 0;
-
- if (scope.vertical) element.addClass("vertical-range");
-
- scope.handles= [scope.find('.handle-min'), scope.find('.handle-max')];
- scope.bar = element;
- scope.slider = scope.find('.range-slider-active-segment');
- scope.start = scope.find('.ibz-range-slider-start');
- scope.stop = scope.find('.ibz-range-slider-stop');
- scope.disable= attrs.disable || false;
-
- scope.ctrlhandle = new RangeSliderHandle (scope);
-
- // prepare DOM object pointer to compute size dynamically
- scope.bounds = {
- bar : element[0],
- handles: [scope.handles[0][0], scope.handles[1][0]]
- };
-
- if (attrs.disable === 'true') scope.setDisable(true);
-
- if (attrs.displayTarget) {
- switch (attrs.displayTarget) {
- case true :
- case 'handle' :
- scope.displays = scope.handles;
- scope.handles[0].addClass('ibz-range-slider-display');
- if (scope.dual) scope.handles[1].addClass('ibz-range-slider-display');
- break;
- default:
- scope.displays = [$document.getElementById (attrs.displayTarget)];
- }
- } else scope.displays=[];
-
- // extract initial values from attrs and parse into int
- if (!attrs.initial) {
- scope.initial = [scope.ngModel, scope.ngModel]; // initialize to model values
- } else {
- var initial = attrs.initial.split(',');
- scope.initial = [
- initial[0] !== undefined ? parseInt (initial[0]) : scope.notLess,
- initial[1] !== undefined ? parseInt (initial[1]) : scope.notMore
- ];
- }
-
- // Monitor any changes on start/stop dates.
- scope.$watch('startAt', function() {
- if (scope.value < scope.startAt ) {
- //scope.setValue (scope.startAt);
- }
- if (scope.startAt) scope.setStart (scope.startAt);
- });
-
- scope.$watch('stopAt' , function() {
- if (scope.value > scope.stopAt) {
- //scope.setValue (scope.stopAt);
- }
- if (scope.stopAt) scope.setStop (scope.stopAt);
- });
-
- // finish widget initialisation
- scope.initialSettings (scope.initial);
-
- };
-
- scope.init();
-
- // slider is ready provide control handle to application controller
- scope.$watch ('inithook', function () { // init Values may arrive late
- if (scope.inithook) scope.inithook (scope.ctrlhandle);
- });
-
- scope.$watch ('initvalues', function () { // init Values may arrive late
- if (scope.initvalues) scope.initWidget(scope.initvalues);
- });
-
- // two-way binding if model value changes
- scope.$watch ('ngModel', function (newValue) {
- scope.setValue(newValue, 0);
- });
- }
-
-return {
- restrict: "E", // restrict to <range-slider> HTML element name
- scope: {
- startAt :'=', // First acceptable date
- stopAt :'=', // Last acceptable date
- callback :'=', // Callback to actif when a date is selected
- formatter:'=', // Callback for drag event call each time internal value changes
- inithook :'=', // Hook point to control slider from API
- cbhandle :'=', // Argument added to every callback
- initvalues:'=', // Initial values as a single object
- ngModel: '=' // the model value
- },
- require: '?ngModel',
- template: template, // html template is build from JS
- replace: true, // replace current directive with template while inheriting of class
- link: link // pickadate object's methods
-};
-});
-
-console.log ("RangeSlider Loaded");
-
-})(); \ No newline at end of file