Proyectos de Subversion Moodle

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Provides an in browser PDF editor.

 *

 * @module moodle-assignfeedback_editpdf-editor

 */

/**

 * Class representing a stamp.

 *

 * @namespace M.assignfeedback_editpdf

 * @class annotationstamp

 * @extends M.assignfeedback_editpdf.annotation

 */

var ANNOTATIONSTAMP = function(config) {

    ANNOTATIONSTAMP.superclass.constructor.apply(this, [config]);

};

ANNOTATIONSTAMP.NAME = "annotationstamp";

ANNOTATIONSTAMP.ATTRS = {};

Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {

    /**

     * Draw a stamp annotation

     * @protected

     * @method draw

     * @return M.assignfeedback_editpdf.drawable

     */

    draw: function() {

        var drawable = new M.assignfeedback_editpdf.drawable(this.editor),

            drawingcanvas = this.editor.get_dialogue_element(SELECTOR.DRAWINGCANVAS),

            node,

            position;

        position = this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x, this.y));

        node = Y.Node.create('<div/>');

        node.addClass('annotation');

        node.addClass('stamp');

        node.setStyles({

            'position': 'absolute',

            'display': 'inline-block',

            'backgroundImage': 'url(' + this.editor.get_stamp_image_url(this.path) + ')',

            'width': (this.endx - this.x),

            'height': (this.endy - this.y),

            'backgroundSize': '100% 100%'

        });

        drawingcanvas.append(node);

        node.setX(position.x);

        node.setY(position.y);

        drawable.store_position(node, position.x, position.y);

        // Bind events only when editing.

        if (!this.editor.get('readonly')) {

            // Pass through the event handlers on the div.

            node.on('gesturemovestart', this.editor.edit_start, null, this.editor);

            node.on('gesturemove', this.editor.edit_move, null, this.editor);

            node.on('gesturemoveend', this.editor.edit_end, null, this.editor);

        }

        drawable.nodes.push(node);

        this.drawable = drawable;

        return ANNOTATIONSTAMP.superclass.draw.apply(this);

    },

    /**

     * Draw the in progress edit.

     *

     * @public

     * @method draw_current_edit

     * @param M.assignfeedback_editpdf.edit edit

     */

    draw_current_edit: function(edit) {

        var bounds = new M.assignfeedback_editpdf.rect(),

            drawable = new M.assignfeedback_editpdf.drawable(this.editor),

            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),

            node,

            position;

        bounds.bound([edit.start, edit.end]);

        position = this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(bounds.x, bounds.y));

        node = Y.Node.create('<div/>');

        node.addClass('annotation');

        node.addClass('stamp');

        node.setStyles({

            'position': 'absolute',

            'display': 'inline-block',

            'backgroundImage': 'url(' + this.editor.get_stamp_image_url(edit.stamp) + ')',

            'width': bounds.width,

            'height': bounds.height,

            'backgroundSize': '100% 100%'

        });

        drawingregion.append(node);

        node.setX(position.x);

        node.setY(position.y);

        drawable.store_position(node, position.x, position.y);

        drawable.nodes.push(node);

        return drawable;

    },

    /**

     * Promote the current edit to a real annotation.

     *

     * @public

     * @method init_from_edit

     * @param M.assignfeedback_editpdf.edit edit

     * @return bool if width/height is more than min. required.

     */

    init_from_edit: function(edit) {

        var bounds = new M.assignfeedback_editpdf.rect();

        bounds.bound([edit.start, edit.end]);

        if (bounds.width < 40) {

            bounds.width = 40;

        }

        if (bounds.height < 40) {

            bounds.height = 40;

        }

        this.gradeid = this.editor.get('gradeid');

        this.pageno = this.editor.currentpage;

        this.x = bounds.x;

        this.y = bounds.y;

        this.endx = bounds.x + bounds.width;

        this.endy = bounds.y + bounds.height;

        this.colour = edit.annotationcolour;

        this.path = edit.stamp;

        // Min width and height is always more than 40px.

        return true;

    },

    /**

     * Move an annotation to a new location.

     * @public

     * @param int newx

     * @param int newy

     * @method move_annotation

     */

    move: function(newx, newy) {

        var diffx = newx - this.x,

            diffy = newy - this.y;

        this.x += diffx;

        this.y += diffy;

        this.endx += diffx;

        this.endy += diffy;

        if (this.drawable) {

            this.drawable.erase();

        }

        this.editor.drawables.push(this.draw());

    }

});

M.assignfeedback_editpdf = M.assignfeedback_editpdf || {};

M.assignfeedback_editpdf.annotationstamp = ANNOTATIONSTAMP;