| 1 | define([ |
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| 2 | "dojo/_base/array", |
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| 3 | "dojo/_base/connect", |
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| 4 | "dojo/_base/declare", |
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| 5 | "dojo/_base/lang", |
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| 6 | "dojo/_base/window", |
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| 7 | "dojo/dom-class", |
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| 8 | "dojo/dom-construct", |
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| 9 | "dojo/dom-style", |
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| 10 | "dijit/registry", // registry.byId |
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| 11 | "dijit/_Contained", |
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| 12 | "dijit/_Container", |
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| 13 | "dijit/_WidgetBase", |
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| 14 | "./View" |
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| 15 | ], function(array, connect, declare, lang, win, domClass, domConstruct, domStyle, registry, Contained, Container, WidgetBase, View){ |
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| 16 | |
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| 17 | var dm = lang.getObject("dojox.mobile", true); |
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| 18 | |
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| 19 | /*===== |
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| 20 | var Contained = dijit._Contained; |
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| 21 | var Container = dijit._Container; |
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| 22 | var WidgetBase = dijit._WidgetBase; |
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| 23 | =====*/ |
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| 24 | |
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| 25 | // module: |
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| 26 | // dojox/mobile/Heading |
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| 27 | // summary: |
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| 28 | // A widget that represents a navigation bar. |
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| 29 | |
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| 30 | return declare("dojox.mobile.Heading", [WidgetBase, Container, Contained],{ |
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| 31 | // summary: |
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| 32 | // A widget that represents a navigation bar. |
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| 33 | // description: |
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| 34 | // Heading is a widget that represents a navigation bar, which |
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| 35 | // usually appears at the top of an application. It usually |
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| 36 | // displays the title of the current view and can contain a |
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| 37 | // navigational control. If you use it with |
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| 38 | // dojox.mobile.ScrollableView, it can also be used as a fixed |
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| 39 | // header bar or a fixed footer bar. In such cases, specify the |
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| 40 | // fixed="top" attribute to be a fixed header bar or the |
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| 41 | // fixed="bottom" attribute to be a fixed footer bar. Heading can |
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| 42 | // have one or more ToolBarButton widgets as its children. |
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| 43 | |
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| 44 | // back: String |
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| 45 | // A label for the navigational control to return to the previous |
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| 46 | // View. |
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| 47 | back: "", |
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| 48 | |
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| 49 | // href: String |
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| 50 | // A URL to open when the navigational control is pressed. |
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| 51 | href: "", |
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| 52 | |
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| 53 | // moveTo: String |
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| 54 | // The id of the transition destination view which resides in the |
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| 55 | // current page. |
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| 56 | // |
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| 57 | // If the value has a hash sign ('#') before the id (e.g. #view1) |
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| 58 | // and the dojo.hash module is loaded by the user application, the |
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| 59 | // view transition updates the hash in the browser URL so that the |
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| 60 | // user can bookmark the destination view. In this case, the user |
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| 61 | // can also use the browser's back/forward button to navigate |
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| 62 | // through the views in the browser history. |
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| 63 | // |
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| 64 | // If null, transitions to a blank view. |
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| 65 | // If '#', returns immediately without transition. |
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| 66 | moveTo: "", |
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| 67 | |
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| 68 | // transition: String |
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| 69 | // A type of animated transition effect. You can choose from the |
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| 70 | // standard transition types, "slide", "fade", "flip", or from the |
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| 71 | // extended transition types, "cover", "coverv", "dissolve", |
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| 72 | // "reveal", "revealv", "scaleIn", "scaleOut", "slidev", |
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| 73 | // "swirl", "zoomIn", "zoomOut". If "none" is specified, transition |
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| 74 | // occurs immediately without animation. |
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| 75 | transition: "slide", |
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| 76 | |
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| 77 | // label: String |
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| 78 | // A title text of the heading. If the label is not specified, the |
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| 79 | // innerHTML of the node is used as a label. |
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| 80 | label: "", |
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| 81 | |
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| 82 | // iconBase: String |
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| 83 | // The default icon path for child items. |
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| 84 | iconBase: "", |
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| 85 | |
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| 86 | // backProp: Object |
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| 87 | // Properties for the back button. |
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| 88 | backProp: {className: "mblArrowButton"}, |
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| 89 | |
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| 90 | // tag: String |
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| 91 | // A name of html tag to create as domNode. |
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| 92 | tag: "H1", |
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| 93 | |
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| 94 | buildRendering: function(){ |
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| 95 | this.domNode = this.containerNode = this.srcNodeRef || win.doc.createElement(this.tag); |
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| 96 | this.domNode.className = "mblHeading"; |
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| 97 | if(!this.label){ |
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| 98 | array.forEach(this.domNode.childNodes, function(n){ |
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| 99 | if(n.nodeType == 3){ |
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| 100 | var v = lang.trim(n.nodeValue); |
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| 101 | if(v){ |
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| 102 | this.label = v; |
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| 103 | this.labelNode = domConstruct.create("SPAN", {innerHTML:v}, n, "replace"); |
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| 104 | } |
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| 105 | } |
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| 106 | }, this); |
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| 107 | } |
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| 108 | if(!this.labelNode){ |
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| 109 | this.labelNode = domConstruct.create("SPAN", null, this.domNode); |
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| 110 | } |
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| 111 | this.labelNode.className = "mblHeadingSpanTitle"; |
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| 112 | this.labelDivNode = domConstruct.create("DIV", { |
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| 113 | className: "mblHeadingDivTitle", |
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| 114 | innerHTML: this.labelNode.innerHTML |
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| 115 | }, this.domNode); |
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| 116 | }, |
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| 117 | |
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| 118 | startup: function(){ |
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| 119 | if(this._started){ return; } |
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| 120 | var parent = this.getParent && this.getParent(); |
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| 121 | if(!parent || !parent.resize){ // top level widget |
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| 122 | var _this = this; |
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| 123 | setTimeout(function(){ // necessary to render correctly |
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| 124 | _this.resize(); |
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| 125 | }, 0); |
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| 126 | } |
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| 127 | this.inherited(arguments); |
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| 128 | }, |
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| 129 | |
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| 130 | resize: function(){ |
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| 131 | if(this._btn){ |
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| 132 | this._btn.style.width = this._body.offsetWidth + this._head.offsetWidth + "px"; |
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| 133 | } |
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| 134 | if(this.labelNode){ |
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| 135 | // find the rightmost left button (B), and leftmost right button (C) |
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| 136 | // +-----------------------------+ |
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| 137 | // | |A| |B| |C| |D| | |
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| 138 | // +-----------------------------+ |
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| 139 | var leftBtn, rightBtn; |
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| 140 | var children = this.containerNode.childNodes; |
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| 141 | for(var i = children.length - 1; i >= 0; i--){ |
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| 142 | var c = children[i]; |
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| 143 | if(c.nodeType === 1){ |
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| 144 | if(!rightBtn && domClass.contains(c, "mblToolBarButton") && domStyle.get(c, "float") === "right"){ |
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| 145 | rightBtn = c; |
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| 146 | } |
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| 147 | if(!leftBtn && (domClass.contains(c, "mblToolBarButton") && domStyle.get(c, "float") === "left" || c === this._btn)){ |
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| 148 | leftBtn = c; |
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| 149 | } |
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| 150 | } |
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| 151 | } |
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| 152 | |
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| 153 | if(!this.labelNodeLen && this.label){ |
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| 154 | this.labelNode.style.display = "inline"; |
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| 155 | this.labelNodeLen = this.labelNode.offsetWidth; |
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| 156 | this.labelNode.style.display = ""; |
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| 157 | } |
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| 158 | |
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| 159 | var bw = this.domNode.offsetWidth; // bar width |
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| 160 | var rw = rightBtn ? bw - rightBtn.offsetLeft + 5 : 0; // rightBtn width |
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| 161 | var lw = leftBtn ? leftBtn.offsetLeft + leftBtn.offsetWidth + 5 : 0; // leftBtn width |
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| 162 | var tw = this.labelNodeLen || 0; // title width |
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| 163 | domClass[bw - Math.max(rw,lw)*2 > tw ? "add" : "remove"](this.domNode, "mblHeadingCenterTitle"); |
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| 164 | } |
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| 165 | array.forEach(this.getChildren(), function(child){ |
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| 166 | if(child.resize){ child.resize(); } |
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| 167 | }); |
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| 168 | }, |
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| 169 | |
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| 170 | _setBackAttr: function(/*String*/back){ |
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| 171 | if (!back){ |
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| 172 | domConstruct.destroy(this._btn); |
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| 173 | this._btn = null; |
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| 174 | this.back = ""; |
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| 175 | }else{ |
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| 176 | if(!this._btn){ |
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| 177 | var btn = domConstruct.create("DIV", this.backProp, this.domNode, "first"); |
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| 178 | var head = domConstruct.create("DIV", {className:"mblArrowButtonHead"}, btn); |
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| 179 | var body = domConstruct.create("DIV", {className:"mblArrowButtonBody mblArrowButtonText"}, btn); |
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| 180 | |
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| 181 | this._body = body; |
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| 182 | this._head = head; |
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| 183 | this._btn = btn; |
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| 184 | this.backBtnNode = btn; |
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| 185 | this.connect(body, "onclick", "onClick"); |
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| 186 | } |
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| 187 | this.back = back; |
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| 188 | this._body.innerHTML = this._cv ? this._cv(this.back) : this.back; |
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| 189 | } |
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| 190 | this.resize(); |
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| 191 | }, |
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| 192 | |
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| 193 | _setLabelAttr: function(/*String*/label){ |
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| 194 | this.label = label; |
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| 195 | this.labelNode.innerHTML = this.labelDivNode.innerHTML = this._cv ? this._cv(label) : label; |
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| 196 | }, |
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| 197 | |
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| 198 | findCurrentView: function(){ |
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| 199 | // summary: |
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| 200 | // Search for the view widget that contains this widget. |
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| 201 | var w = this; |
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| 202 | while(true){ |
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| 203 | w = w.getParent(); |
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| 204 | if(!w){ return null; } |
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| 205 | if(w instanceof View){ break; } |
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| 206 | } |
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| 207 | return w; |
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| 208 | }, |
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| 209 | |
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| 210 | onClick: function(e){ |
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| 211 | var h1 = this.domNode; |
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| 212 | domClass.add(h1, "mblArrowButtonSelected"); |
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| 213 | setTimeout(function(){ |
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| 214 | domClass.remove(h1, "mblArrowButtonSelected"); |
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| 215 | }, 1000); |
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| 216 | |
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| 217 | if(this.back && !this.moveTo && !this.href && history){ |
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| 218 | history.back(); |
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| 219 | return; |
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| 220 | } |
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| 221 | |
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| 222 | // keep the clicked position for transition animations |
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| 223 | var view = this.findCurrentView(); |
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| 224 | if(view){ |
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| 225 | view.clickedPosX = e.clientX; |
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| 226 | view.clickedPosY = e.clientY; |
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| 227 | } |
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| 228 | this.goTo(this.moveTo, this.href); |
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| 229 | }, |
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| 230 | |
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| 231 | goTo: function(moveTo, href){ |
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| 232 | // summary: |
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| 233 | // Given the destination, makes a view transition. |
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| 234 | var view = this.findCurrentView(); |
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| 235 | if(!view){ return; } |
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| 236 | if(href){ |
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| 237 | view.performTransition(null, -1, this.transition, this, function(){location.href = href;}); |
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| 238 | }else{ |
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| 239 | if(dm.app && dm.app.STAGE_CONTROLLER_ACTIVE){ |
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| 240 | // If in a full mobile app, then use its mechanisms to move back a scene |
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| 241 | connect.publish("/dojox/mobile/app/goback"); |
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| 242 | }else{ |
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| 243 | // Basically transition should be performed between two |
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| 244 | // siblings that share the same parent. |
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| 245 | // However, when views are nested and transition occurs from |
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| 246 | // an inner view, search for an ancestor view that is a sibling |
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| 247 | // of the target view, and use it as a source view. |
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| 248 | var node = registry.byId(view.convertToId(moveTo)); |
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| 249 | if(node){ |
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| 250 | var parent = node.getParent(); |
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| 251 | while(view){ |
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| 252 | var myParent = view.getParent(); |
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| 253 | if(parent === myParent){ |
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| 254 | break; |
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| 255 | } |
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| 256 | view = myParent; |
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| 257 | } |
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| 258 | } |
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| 259 | if(view){ |
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| 260 | view.performTransition(moveTo, -1, this.transition); |
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| 261 | } |
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| 262 | } |
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| 263 | } |
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| 264 | } |
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| 265 | }); |
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| 266 | }); |
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