Example usage for org.apache.wicket.request.http WebRequest getQueryParameters

Introduction

In this page you can find the example usage for org.apache.wicket.request.http WebRequest getQueryParameters.

Prototype

public IRequestParameters getQueryParameters() 

Source Link

Usage

From source file:com.googlecode.wicket.jquery.ui.plugins.whiteboard.WhiteboardBehavior.java

License:Apache License

protected void respond(final AjaxRequestTarget target) {

    RequestCycle cycle = RequestCycle.get();
    WebRequest webRequest = (WebRequest) cycle.getRequest();

    if (webRequest.getQueryParameters().getParameterValue("editedElement").toString() != null) {
        String editedElement = webRequest.getQueryParameters().getParameterValue("editedElement").toString();

        try {/*from w  w w . j  a  v  a  2s  .  c  o  m*/

            if (snapShot == null && snapShotCreation == null) {
                snapShot = new ArrayList<Element>();
                snapShotCreation = new ArrayList<Boolean>();
            }

            //Mapping JSON String to Objects and Adding to the Element List
            JSONObject jsonEditedElement = new JSONObject(editedElement);
            Element element = getElementObject(jsonEditedElement);

            if (elementMap.containsKey(element.getId()) && !elementMap.isEmpty()) {
                snapShot.add(elementMap.get(element.getId()));
                snapShotCreation.add(false);
            } else {
                snapShot.add(element);
                snapShotCreation.add(true);
            }

            if (!"PointFree".equals(element.getType())) {
                if (undoSnapshots.size() == 20) {
                    undoSnapshots.pollFirst();
                    undoSnapshotCreationList.pollFirst();
                }

                if ("PencilCurve".equals(element.getType())) {
                    ArrayList<Element> lastElementSnapshot = undoSnapshots.getLast();
                    Element lastSnapshotElement = lastElementSnapshot.get(lastElementSnapshot.size() - 1);

                    if ((lastSnapshotElement instanceof PencilCurve)
                            && (lastSnapshotElement.getId() == element.getId())) {
                        ArrayList<Boolean> lastCreationSnapshot = undoSnapshotCreationList.getLast();

                        for (int i = 0; i < snapShot.size(); i++) {
                            lastElementSnapshot.add(snapShot.get(i));
                            lastCreationSnapshot.add(snapShotCreation.get(i));
                        }
                    } else {
                        undoSnapshots.addLast(snapShot);
                        undoSnapshotCreationList.addLast(snapShotCreation);
                    }

                } else {
                    undoSnapshots.addLast(snapShot);
                    undoSnapshotCreationList.addLast(snapShotCreation);
                }

                snapShot = null;
                snapShotCreation = null;
            }

            // Synchronizing newly added element between whiteboards
            if (element != null) {
                elementMap.put(element.getId(), element);

                IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                        .getConnectionRegistry();
                for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                    try {
                        JSONObject jsonObject = new JSONObject(editedElement);
                        c.sendMessage(getAddElementMessage(jsonObject).toString());
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }
    } else if (webRequest.getQueryParameters().getParameterValue("undo").toString() != null) {
        if (!undoSnapshots.isEmpty()) {
            ArrayList<Boolean> undoCreationList = undoSnapshotCreationList.pollLast();
            ArrayList<Element> undoElement = undoSnapshots.pollLast();

            String deleteList = "";
            JSONArray changeList = new JSONArray();

            IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                    .getConnectionRegistry();

            for (int i = 0; i < undoElement.size(); i++) {
                if (undoCreationList.get(i)) {
                    elementMap.remove(undoElement.get(i).getId());
                    if ("".equals(deleteList)) {
                        deleteList = "" + undoElement.get(i).getId();
                    } else {
                        deleteList += "," + undoElement.get(i).getId();
                    }
                } else {
                    elementMap.put(undoElement.get(i).getId(), undoElement.get(i));
                    changeList.put(undoElement.get(i).getJSON());
                }
            }

            for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                try {
                    c.sendMessage(getUndoMessage(changeList, deleteList).toString());
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

    } else if (webRequest.getQueryParameters().getParameterValue("eraseAll").toString() != null) {
        elementMap.clear();
        IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                .getConnectionRegistry();
        for (IWebSocketConnection c : reg.getConnections(Application.get())) {
            try {
                JSONArray jsonArray = new JSONArray();
                c.sendMessage(getWhiteboardMessage(jsonArray).toString());
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    } else if (webRequest.getQueryParameters().getParameterValue("save").toString() != null) {
        JSONArray elementArray = new JSONArray();
        for (int elementID : elementMap.keySet()) {
            elementArray.put(elementMap.get(elementID).getJSON());
        }
        DateFormat dateFormat = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss");
        Date date = new Date();
        File whiteboardFile = new File("Whiteboard_" + dateFormat.format(date) + ".json");

        FileWriter writer = null;
        try {
            whiteboardFile.createNewFile();
            System.out.println(whiteboardFile.getAbsolutePath());
            writer = new FileWriter(whiteboardFile);
            writer.write(elementArray.toString());
            writer.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

    else if (webRequest.getQueryParameters().getParameterValue("clipArt").toString() != null) {

        IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                .getConnectionRegistry();
        for (IWebSocketConnection c : reg.getConnections(Application.get())) {
            try {
                JSONArray jsonArray = new JSONArray();
                jsonArray.put("http://icons.iconarchive.com/icons/femfoyou/angry-birds/64/angry-bird-icon.png");
                jsonArray.put(
                        "http://icons.iconarchive.com/icons/femfoyou/angry-birds/64/angry-bird-yellow-icon.png");
                c.sendMessage(getClipArtListMessage(jsonArray).toString());
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:org.wicketstuff.whiteboard.WhiteboardBehavior.java

License:Apache License

/**
 * This method handles all the Ajax calls coming from whiteboard
 * //  w  w  w  . ja va 2 s.c  o m
 * @param target
 */
protected void respond(final AjaxRequestTarget target) {

    RequestCycle cycle = RequestCycle.get();
    WebRequest webRequest = (WebRequest) cycle.getRequest();

    // If geometric element is drawn of edited on whiteboard, message will be sent and this if clause handles that
    if (webRequest.getQueryParameters().getParameterNames().contains("editedElement")) {
        String editedElement = webRequest.getQueryParameters().getParameterValue("editedElement").toString();
        handleEditedElement(editedElement);
    }
    // If undo button is clicked on whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("undo")) {
        handleUndo();
    }
    // If eraseAll button is clicked on whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("eraseAll")) {
        handleEraseAll();
    }
    // If save button is clicked on whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("save")) {
        handleSave();
    }
    // If addClipArt button is clicked on whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("clipArt")) {
        handleClipArts();
    }
    // If addDocument button is clicked on whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("docList")) {
        handleDocs();
        ;
    }
    // If document page navigation buttons are clicked on whiteboard, message will be sent and this if clause
    // handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("docComponents")) {
        String docBaseName = webRequest.getQueryParameters().getParameterValue("docBaseName").toString();
        handleDocComponents(docBaseName);
    }
    // If document is added to whiteboard, message will be sent and this if clause handles that
    else if (webRequest.getQueryParameters().getParameterNames().contains("background")) {
        String backgroundString = webRequest.getQueryParameters().getParameterValue("background").toString();
        handleBackground(backgroundString);
    }
}

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