Adobe Extending Dreamweaver CS4 Manual de usuario descargar pdf (Pagina 142)

136

EXTENDING DREAMWEAVER CS4

Commands

function changeCase() {

var uorl;

// Check whether user requested uppercase or lowercase.

if (document.forms[0].elements[0].checked)

uorl = 'u';

else

uorl = 'l';

// Get the DOM.

var theDOM = dw.getDocumentDOM();

// Get the outerHTML of the HTML tag (the

// entire contents of the document).

var theDocEl = theDOM.documentElement;

var theWholeDoc = theDocEl.outerHTML;

// Get the node that contains the selection.

var theSelNode = theDOM.getSelectedNode();

// Get the children of the selected node.

var theChildren = theSelNode.childNodes;

var i = 0;

if (theSelNode.hasChildNodes()){

while (i < theChildren.length){

if (theChildren[i].nodeType == Node.TEXT_NODE){

var selText = theChildren[i].data;

var theSel = theDOM.nodeToOffsets(theChildren[0]);

break;

}

++i;

}

else {

// Get the offsets of the selection

var theSel = theDOM.getSelection();

// Extract the selection

var selText = theWholeDoc.substring(theSel[0],theSel[1]);

}

if (uorl == 'u'){

theDocEl.outerHTML = theWholeDoc.substring(0,theSel[0]) +

selText.toUpperCase() + theWholeDoc.substring(theSel[1]);

}

else {

theDocEl.outerHTML = theWholeDoc.substring(0,theSel[0]) +

selText.toLowerCase() + theWholeDoc.substring(theSel[1]);

}

// Set the selection back to where it was when you started

theDOM.setSelection(theSel[0],theSel[1]);

window.close(); // close extension UI

}

3 Save the file as Change Case.js in the Configuration/Commands folder.

The changeCase() function is a user-defined function that is called by the commandButtons() function when the

user clicks OK. This function changes the selected text to uppercase or lowercase. Because the UI uses radio buttons,

the code can rely on one choice or the other being checked; it does not need to test for the possibility that the user

makes neither choice.

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