[英]SVG-Pan-Zoom on DOM Object tag not working
我有一個<object>
,可在其中加載外部svg文件:
<object type="image/svg+xml" data="system.svg" id="Graph_Container" class="GraphContainmentArea">
Your browser does not support SVG
</object>
我正在使用以下庫的SVG平移和縮放功能: https : //github.com/ariutta/svg-pan-zoom 。 但是,僅將svg-pan-zoom.js
文件添加到我的頁面似乎不足以使用以下代碼向object
包含的svg添加任何功能:
<?xml version="1.0" encoding="UTF-8"?>
<iw:iwidget id="GraphContainer" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:iw="http://www.ibm.com/xmlns/prod/iWidget" supportedModes="view edit"
lang="en" iScope="GraphContainerScope" title="Graph Container Widget">
<iw:content mode="view">
<![CDATA[
<link rel="stylesheet" href="/Widgets/GraphContainerWidget/css/graphcontainer.css" />
<script src="/Widgets/GraphContainerWidget/js/jquery.min.js"></script>
<div id="GraphContainer_IWID_" class="search-area" style="display:block;">
<div class="content-area" id="content-area_IWID_">
<div class="RightPanel" id="rightPanel_IWID_">
<table id='main-content_IWID_' class="links-included">
<tr>
<object type="image/svg+xml" data="" id="_IWID_Graph_Container" class="GraphContainmentArea">
Your browser does not support SVG
</object>
</tr>
<tr><td></td></tr>
<tr><td></td></tr>
<tr>
<td id="_IWID_Graph_Footer" class="FooterContainmentArea">Optional Footer</td>
</tr>
</table>
<div id='footer_IWID_' class="footer">
</div>
</div>
</div>
</div>
<script src="/Widgets/GraphContainerWidget/js/svg-pan-zoom.js"></script>
<script type="text/javascript">
var _IWID_attributesItemSet = iContext.getiWidgetAttributes();
var _IWID_iDescriptor = iContext.getiDescriptor();
var SVG_GRAPH_URL = _IWID_attributesItemSet.getItemValue("wid_import_field");
var SVG_FOOTER = _IWID_attributesItemSet.getItemValue("wid_footer_field");
var SVG_MULTI = _IWID_attributesItemSet.getItemValue("wid_multigraphs_field");
console.log("Viewmode SRC URL: " + SVG_GRAPH_URL);
try {
if (SVG_GRAPH_URL !== null && SVG_GRAPH_URL !== "") {
var finished_URL = httpcheck() + SVG_GRAPH_URL;
$("#Graph_Container").attr("data", finished_URL);
setTimeout(function() {
svgPanZoom("#_IWID_Graph_Container", {
zoomEnabled: true,
controlIconsEnabled: true
});
}, 2000);
} else {
alert("No URL passed to graph container!")
}
}
catch(e) {
console.log(e.name + "-" + e.description + "-" + e.message);
}
function httpcheck() {
if (SVG_GRAPH_URL.substring(0,7) == "http://" || SVG_GRAPH_URL.substring(0,8) == "https://") {
return "";
} else {
return "http://";
}
}
</script>
]]>
</iw:content>
注意:除了SVG-Pan-Zoom.js之外,jQuery是我正在使用的唯一庫。有關如何解決此問題/改進代碼的任何提示?
我得到的當前錯誤是svgPan is not defined
。
上面的代碼已更新
很難確定問題的原因,因為可能不會復制它們的示例。
注意:我在我的應用程序上測試了“ svg-pan-zoom” ,它正常工作。
有關跨域(CORS)的問題,請閱讀以下鏈接: https : //developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS
對於“文件URI”問題,我建議安裝“ Xampp”(Apache和PHP)和“ Node.js”以使用“ HTTP localhost”
對於“ git download”問題,您需要git clone --recursive git@github.com:ariutta/svg-pan-zoom.git
或者如果您已經克隆了它,則git submodule update --init --recursive
注意:僅在Firefox中工作,因為在Chrome中, “數據URI方案”沒有發送“來源標頭”
注意:要在Chrome中工作,請使用“ http URI方案”加載SVG
注意:我使用“數據URI”是因為jsfiddle不支持發送“資源”
<script src="svg-pan-zoom.js"></script>
<object type="image/svg+xml" id="svgId" data="data:image/svg+xml;base64,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">
Your browser does not support SVG or not loaded (Work only in Gecko - Firefox)
</object>
<script>
window.onload = function() {
svgPanZoom("#svgId", {
zoomEnabled: true,
controlIconsEnabled: true
});
};
</script>
在線示例: http : //jsfiddle.net/L4u6ap2w/
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