--- /dev/null
+/*
+ * 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
Code Review / src / app-framework-demo.git / blobdiff