void rInflate(XmlPullParser parser, View parent, AttributeSet attrs, bool finishInflate, bool inheritContext)
{
int depth = parser.getDepth();
int type;
while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT)
{
if (type != XmlPullParser.START_TAG)
{
continue;
}
string name = parser.getName();
if (TAG_REQUEST_FOCUS.Equals(name))
{
parseRequestFocus(parser, parent);
}
else if (TAG_TAG.Equals(name))
{
parseViewTag(parser, parent, attrs);
}
if (TAG_INCLUDE.Equals(name))
{
if (parser.getDepth() == 0)
{
throw new Exception("<include /> cannot be the root element");
}
parseInclude(parser, parent, attrs, inheritContext);
}
else if (TAG_MERGE.Equals(name))
{
throw new Exception("<merge /> must be the root element");
}
else
{
View view = createViewFromTag(parent, name, attrs, inheritContext);
ViewGroup viewGroup = (ViewGroup)parent;
ViewGroup.LayoutParams lparams = viewGroup.generateLayoutParams(attrs);
rInflate(parser, view, attrs, true, true);
viewGroup.addView(view, lparams);
}
}
if (finishInflate)
{
parent.onFinishInflate();
}
}
public void setLayoutParams(ViewGroup.LayoutParams lparams)
{
layparams = lparams;
switch (lparams.width)
{
case ViewGroup.LayoutParams.MATCH_PARENT:
WinUI.HorizontalAlignment = Windows.UI.Xaml.HorizontalAlignment.Stretch;
break;
case ViewGroup.LayoutParams.WRAP_CONTENT:
WinUI.Width = double.NaN;
break;
case 0:
break;
default:
WinUI.Width = lparams.width;
break;
}
switch (lparams.height)
{
case ViewGroup.LayoutParams.MATCH_PARENT:
WinUI.VerticalAlignment = Windows.UI.Xaml.VerticalAlignment.Stretch;
break;
case ViewGroup.LayoutParams.WRAP_CONTENT:
WinUI.Height = double.NaN;
break;
case 0:
break;
default:
WinUI.Height = lparams.height;
break;
}
if (lparams.GetType().Equals(typeof(ViewGroup.MarginLayoutParams)))
{
ViewGroup.MarginLayoutParams lparams2 = (ViewGroup.MarginLayoutParams)lparams;
WinUI.Margin = new Windows.UI.Xaml.Thickness(lparams2.leftMargin, lparams2.topMargin, lparams2.rightMargin, lparams2.bottomMargin);
}
}
public abstract void setContentView(View view, ViewGroup.LayoutParams _params);
public virtual View inflate(XmlPullParser parser, ViewGroup root, bool attachToRoot)
{
//Trace.traceBegin(Trace.TRACE_TAG_VIEW, "inflate");
AttributeSet attrs = Xml.asAttributeSet(parser, mContext);
Context lastContext = (Context)mConstructorArgs[0];
mConstructorArgs[0] = mContext;
View result = root;
try
{
// Look for the root node.
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT)
{
// Empty
//"WHAT A MISTAKE!" - DJT; but this is how Android does it so we'll do it here :(
}
if (type != XmlPullParser.START_TAG)
{
throw new Exception(parser.getPositionDescription() + ": No start tag found!");
}
string name = parser.getName();
if (DEBUG)
{
Debug.WriteLine("**************************");
Debug.WriteLine("Creating root view: " + name);
Debug.WriteLine("**************************");
}
if (TAG_MERGE.Equals(name))
{
if (root == null || !attachToRoot)
{
throw new Exception("<merge /> can be used only with a valid " + "ViewGroup root and attachToRoot=true");
}
rInflate(parser, root, attrs, false, false);
}
else
{
// Temp is the root view that was found in the xml
View temp = createViewFromTag(root, name, attrs, false);
ViewGroup.LayoutParams lparams = null;
if (root != null)
{
if (DEBUG)
{
Debug.WriteLine("Creating params from root: " + root);
}
// Create layout params that match root, if supplied
lparams = root.generateLayoutParams(attrs);
if (!attachToRoot)
{
// Set the layout params for temp if we are not
// attaching. (If we are, we use addView, below)
temp.setLayoutParams(lparams);
}
}
if (DEBUG)
{
Debug.WriteLine("-----> start inflating children");
}
// Inflate all children under temp
rInflate(parser, temp, attrs, true, true);
if (DEBUG)
{
Debug.WriteLine("-----> done inflating children");
}
// We are supposed to attach all the views we found (int temp)
// to root. Do that now.
if (root != null && attachToRoot)
{
root.addView(temp, lparams);
}
// Decide whether to return the root that was passed in or the
// top view found in xml.
if (root == null || !attachToRoot)
{
result = temp;
}
}
}
catch
{
throw;
}
finally
{
// Don't retain static reference on context.
mConstructorArgs[0] = lastContext;
mConstructorArgs[1] = null;
}
//Trace.traceEnd(Trace.TRACE_TAG_VIEW);
return(result);
}
private void parseInclude(XmlPullParser parser, View parent, AttributeSet attrs, bool inheritContext)
{
int type;
//if (parent.GetType().Equals(typeof(ViewGroup)))
if (parent is ViewGroup)
{
int layout = attrs.getAttributeResourceValue(null, "layout", 0); //This should return resource value, not name
if (layout == 0)
{
string value = attrs.getAttributeValue(null, "layout");
if (value == null)
{
throw new Exception("You must specifiy a layout in the" + " include tag: <include layout=\"@layout/layoutID\" />");
}
else
{
throw new Exception("You must specifiy a valid layout " + "reference. The layout ID " + value + " is not valid.");
}
}
else
{
XmlResourceParser childParser = getContext().getResources().getLayout(layout);
try
{
AttributeSet childAttrs = Xml.asAttributeSet(childParser, mContext);
while ((type = childParser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT)
{
// Empty.
}
if (type != XmlPullParser.START_TAG)
{
throw new Exception(childParser.getPositionDescription() + ": No start tag found!");
}
string childName = childParser.getName();
if (TAG_MERGE.Equals(childName))
{
// Inflate all children.
rInflate(childParser, parent, childAttrs, false, inheritContext);
}
else
{
View view = createViewFromTag(parent, childName, childAttrs, inheritContext);
ViewGroup group = (ViewGroup)parent;
// We try to load the layout params set in the <include /> tag. If
// they don't exist, we will rely on the layout params set in the
// included XML file.
// During a layoutparams generation, a runtime exception is thrown
// if either layout_width or layout_height is missing. We catch
// this exception and set localParams accordingly: true means we
// successfully loaded layout params from the <include /> tag,
// false means we need to rely on the included layout params.
ViewGroup.LayoutParams lparams = null;
try
{
lparams = group.generateLayoutParams(attrs);
}
catch
{
lparams = group.generateLayoutParams(childAttrs);
}
finally
{
if (lparams != null)
{
view.setLayoutParams(lparams);
}
}
// Inflate all children.
rInflate(childParser, view, childAttrs, true, true);
/*
* // Attempt to override the included layout's android:id with the
* // one set on the <include /> tag itself.
* TypedArray a = mContext.obtainStyledAttributes(attrs, com.android.inner.R.styleable.View, 0, 0);
* int id = a.getResourceId(com.android.inner.R.styleable.View_id, View.NO_ID);
* // While we're at it, let's try to override android:visibility.
* int visibility = a.getInt(com.android.inner.R.styleable.View_visibility, -1);
* a.recycle();
*
* if (id != View.NO_ID)
* {
* view.setId(id);
* }
*
* switch (visibility)
* {
* case 0:
* view.setVisibility(View.VISIBLE);
* break;
* case 1:
* view.setVisibility(View.INVISIBLE);
* break;
* case 2:
* view.setVisibility(View.GONE);
* break;
* }
*/
group.addView(view);
}
}
finally { }
}
}
else
{
throw new Exception("<include /> can only be used inside of a ViewGroup");
}
int currentDepth = parser.getDepth();
while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT)
{
// Empty
}
}
