Examples of org.apache.cocoon.woody.formmodel.Repeater

Package org.apache.cocoon.woody.formmodel

Examples of org.apache.cocoon.woody.formmodel.Repeater

org.apache.cocoon.woody.formmodel.Repeater
A repeater is a widget that repeats a number of other widgets.
Technically, the Repeater widget is a ContainerWidget whose children are {@link RepeaterRow}s, and the RepeaterRows in turn are ContainerWidgets containing the actual repeated widgets. However, in practice, you won't need to use the RepeaterRow widget directly.
Using the methods {@link #getSize} and {@link #getWidget(int,java.lang.String)}you can access all of the repeated widget instances.

        String formAttribute = parameters.getParameter("attribute-name");


        FormDefinition formDefinition = formManager.getFormDefinition(resolver.resolveURI(formSource));
        Form form = (Form)formDefinition.createInstance();


        Repeater repeater = (Repeater)form.getWidget("contacts");
        repeater.addRow();
        Field field = (Field)repeater.getWidget(0, "firstname");
        field.setValue("Jules");


        repeater.addRow();
        field = (Field)repeater.getWidget(1, "firstname");
        field.setValue("Lucien");


        Request request = ObjectModelHelper.getRequest(objectModel);
        request.setAttribute(formAttribute, form);

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        if (inWidgetElement && elementNestingCounter == widgetElementNesting &&
                namespaceURI.equals(Constants.WT_NS)
                && (localName.equals("widget") || localName.equals("repeater-widget"))) {


            if (repeaterWidget) {
                Repeater repeater = (Repeater)widget;
                WidgetReplacingPipe rowPipe = new WidgetReplacingPipe();
                XMLByteStreamInterpreter interpreter = new XMLByteStreamInterpreter();
                int rowCount = repeater.getSize();
                Object saxFragment = xmlCompiler.getSAXFragment();
                for (int i = 0; i < rowCount; i++) {
                    Repeater.RepeaterRow row = repeater.getRow(i);
                    rowPipe.init(row);
                    rowPipe.setContentHandler(contentHandler);
                    rowPipe.setLexicalHandler(lexicalHandler);
                    interpreter.setConsumer(rowPipe);
                    interpreter.deserialize(saxFragment);

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     * over to the actual binding-children.
     */
    public void doLoad(Widget frmModel, JXPathContext jxpc)
            throws BindingException {
        // Find the repeater
        Repeater repeater = (Repeater) frmModel.getWidget(this.repeaterId);
        repeater.removeRows();
        int initialSize = repeater.getSize();


        // build a jxpath iterator for pointers
        JXPathContext repeaterContext =
            jxpc.getRelativeContext(jxpc.getPointer(this.repeaterPath));
        Iterator rowPointers = repeaterContext.iteratePointers(this.rowPath);
        //iterate through it
        while (rowPointers.hasNext()) {
            // create a new row, take that as the frmModelSubContext
            Repeater.RepeaterRow thisRow;
            if (initialSize > 0) {
                thisRow = repeater.getRow(--initialSize);
            } else {
                thisRow = repeater.addRow();
            }
            // make a jxpath ObjectModelSubcontext on the iterated element
            Pointer jxp = (Pointer)rowPointers.next();
            JXPathContext rowContext = repeaterContext.getRelativeContext(jxp);
            // hand it over to children

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     * child-bindings are alowed to visit the narrowed contexts.
     */
    public void doSave(Widget frmModel, JXPathContext jxpc)
            throws BindingException {
        // Find the repeater
        Repeater repeater = (Repeater) frmModel.getWidget(this.repeaterId);
        // and his context
        JXPathContext repeaterContext =
            jxpc.getRelativeContext(jxpc.getPointer(this.repeaterPath));


        // create set of updatedRowIds
        Set updatedRowIds = new HashSet();
        //create list of rows to insert at end
        List rowsToInsert = new ArrayList();


        // iterate rows in the form model...
        int formRowCount = repeater.getSize();
        for (int i = 0; i < formRowCount; i++) {
            Repeater.RepeaterRow thisRow = repeater.getRow(i);


            // Get the key values
            List rowIdValues = getUniqueRowValues(thisRow);


            if (isAnyListElementNotNull(rowIdValues)) {

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    }


    public void doLoad(Widget frmModel, JXPathContext jctx)
            throws BindingException {
        // Find the repeater and clear it
        Repeater repeater = (Repeater)frmModel.getWidget(this.repeaterId);


        if (this.clearOnLoad) {
            repeater.removeRows();
        }


        // Move to repeater context
        Pointer ptr = jctx.getPointer(this.repeaterPath);
        if (ptr.getNode() != null) {
            // There are some nodes to load from


            JXPathContext repeaterContext = jctx.getRelativeContext(ptr);
            // build a jxpath iterator for pointers
            Iterator rowPointers = repeaterContext.iteratePointers(this.rowPath);


            //iterate through it
            int rowNum = 0;
            while (rowPointers.hasNext()) {
                // Get a row. It is created if needed (depends on clearOnLoad)
                Repeater.RepeaterRow thisRow;
                if (repeater.getSize() > rowNum) {
                    thisRow = repeater.getRow(rowNum);
                } else {
                    thisRow = repeater.addRow();
                }
                rowNum++;


                // make a jxpath sub context on the iterated element
                Pointer jxp = (Pointer) rowPointers.next();

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    }


    public void doSave(Widget frmModel, JXPathContext jctx)
            throws BindingException {
        // Find the repeater
        Repeater repeater = (Repeater)frmModel.getWidget(this.repeaterId);


        if (repeater.getSize() == 0 && this.deleteIfEmpty) {
            // Repeater is empty : erase all
            jctx.removeAll(this.repeaterPath);
        } else {
            // Repeater is not empty
            // Move to repeater context and create the path if needed
            JXPathContext repeaterContext =
                jctx.getRelativeContext(jctx.createPath(this.repeaterPath));


            // Delete all that is already present
            repeaterContext.removeAll(this.rowPath);


            for (int i = 0; i < repeater.getSize(); i++) {
                Pointer rowPtr = repeaterContext.createPath(
                        this.rowPath + '[' + (i+1) + ']');
                JXPathContext rowContext =
                    repeaterContext.getRelativeContext(rowPtr);
                this.rowBinding.saveFormToModel(repeater.getRow(i),
                        rowContext);
            }
        }
    }

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    public boolean has(int index, Scriptable start) {
        if (super.has(index, start)) {
            return true;
        }
        if (delegate instanceof Repeater) {
            Repeater repeater = (Repeater)delegate;
            return index >= 0 && index < repeater.getSize();
        }
        if (delegate instanceof MultiValueField) {
            Object[] values = (Object[])delegate.getValue();
            return index >= 0 && index < values.length;
        }

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        Object result = super.get(index, start);
        if (result != NOT_FOUND) {
            return result;
        }
        if (delegate instanceof Repeater) {
            Repeater repeater = (Repeater)delegate;
            if (index >= 0) {
                int count = index + 1 - repeater.getSize();
                if (count > 0) {
                    ScriptableWidget[] rows = new ScriptableWidget[count];
                    for (int i = 0; i < count; i++) {
                        rows[i] = wrap(repeater.addRow());
                    }
                    for (int i = 0; i < count; i++) {
                        rows[i].notifyAddRow();
                    }
                }
                return wrap(repeater.getRow(index));
            }
        } else if (delegate instanceof MultiValueField) {
            Object[] values = (Object[])delegate.getValue();
            if (index >= 0 && index < values.length) {
                return values[index];

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        }
    }


    public void delete(int index) {
        if (delegate instanceof Repeater) {
            Repeater repeater = (Repeater)delegate;
            if (index >= 0 && index < repeater.getSize()) {
                deleteRow(repeater, index);
                return;
            }
        } else if (delegate instanceof MultiValueField) {
            MultiValueField field = (MultiValueField)delegate;

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        jsSet_value(value);
    }


    public void jsSet_length(int len) {
        if (delegate instanceof Repeater) {
            Repeater repeater = (Repeater)delegate;
            int size = repeater.getSize();
            if (size > len) {
                while (repeater.getSize() > len) {
                    deleteRow(repeater, repeater.getSize() - 1);
                }
            } else {
                for (int i = size; i < len; ++i) {
                    wrap(repeater.addRow()).notifyAddRow();
                }
            }
        }
    }

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