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Diffstat (limited to 'examples/html5/app/Frontend/widgets/RangeSliders/RangeSliderMod.js')
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1 files changed, 631 insertions, 0 deletions
diff --git a/examples/html5/app/Frontend/widgets/RangeSliders/RangeSliderMod.js b/examples/html5/app/Frontend/widgets/RangeSliders/RangeSliderMod.js new file mode 100644 index 0000000..77f0fce --- /dev/null +++ b/examples/html5/app/Frontend/widgets/RangeSliders/RangeSliderMod.js @@ -0,0 +1,631 @@ +/* + * 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"); + +})();
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