Example #1
0
        private void parseRequestFocus(XmlPullParser parser, View view)
        {
            int type;

            view.requestFocus();
            int currentDepth = parser.getDepth();

            while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT)
            {
                // Empty
            }
        }
Example #2
0
        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();
            }
        }
Example #3
0
        /*
         * Returns the parent element if available, null otherwise
         *
         * public Element getParentElement() {
         * return (parent instanceof Element)
         *  ? ((Element) parent)
         *  : null;
         * }
         */

        /**
         * Builds the child elements from the given Parser. By overwriting
         * parse, an element can take complete control over parsing its
         * subtree. */

        public override void parse(XmlPullParser parser)
        {
            for (int i = parser.getNamespaceCount(parser.getDepth() - 1);
                 i < parser.getNamespaceCount(parser.getDepth());
                 i++)
            {
                setPrefix(parser.getNamespacePrefix(i), parser.getNamespaceUri(i));
            }


            for (int i = 0; i < parser.getAttributeCount(); i++)
            {
                setAttribute(parser.getAttributeNamespace(i),
//	                      parser.getAttributePrefix (i),
                             parser.getAttributeName(i),
                             parser.getAttributeValue(i));
            }


            //        if (prefixMap == null) throw new RuntimeException ("!!");

            init();


            if (parser.isEmptyElementTag())
            {
                parser.nextToken();
            }
            else
            {
                parser.nextToken();
                base.parse(parser);

                if (getChildCount() == 0)
                {
                    addChild(IGNORABLE_WHITESPACE, "");
                }
            }

            parser.require(
                XmlPullParser.END_TAG,
                getNamespace(),
                getName());

            parser.nextToken();
        }
Example #4
0
        private void parseViewTag(XmlPullParser parser, View view, AttributeSet attrs)
        {
            int type;

            //The below will be activated in the final version of Astoria.
            //TypedArray ta = mContext.obtainStyledAttributes(attrs, com.android.internal.R.styleable.ViewTag);
            //int key = ta.getResourceId(com.android.internal.R.styleable.ViewTag_id, 0);
            //string value = ta.getText(com.android.internal.R.styleable.ViewTag_value);
            //view.setTag(key, value);
            //ta.recycle();

            int currentDepth = parser.getDepth();

            while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT)
            {
                // Empty
            }
        }
Example #5
0
        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
            }
        }