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 highlight.

 *

 * @namespace M.assignfeedback_editpdf

 * @class annotationhighlight

 * @extends M.assignfeedback_editpdf.annotation

 * @module moodle-assignfeedback_editpdf-editor

 */

var ANNOTATIONHIGHLIGHT = function(config) {

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

};

ANNOTATIONHIGHLIGHT.NAME = "annotationhighlight";

ANNOTATIONHIGHLIGHT.ATTRS = {};

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

    /**

     * Draw a highlight annotation

     * @protected

     * @method draw

     * @return M.assignfeedback_editpdf.drawable

     */

    draw: function() {

        var drawable,

            shape,

            bounds,

            highlightcolour;

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

        bounds = new M.assignfeedback_editpdf.rect();

        bounds.bound([new M.assignfeedback_editpdf.point(this.x, this.y),

                      new M.assignfeedback_editpdf.point(this.endx, this.endy)]);

        highlightcolour = ANNOTATIONCOLOUR[this.colour];

        // Add an alpha channel to the rgb colour.

        highlightcolour = highlightcolour.replace('rgb', 'rgba');

        highlightcolour = highlightcolour.replace(')', ',0.5)');

        shape = this.editor.graphic.addShape({

            type: Y.Rect,

            width: bounds.width,

            height: bounds.height,

            stroke: false,

            fill: {

                color: highlightcolour

            },

            x: bounds.x,

            y: bounds.y

        });

        drawable.shapes.push(shape);

        this.drawable = drawable;

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

            shape,

            bounds,

            highlightcolour;

        bounds = new M.assignfeedback_editpdf.rect();

        bounds.bound([new M.assignfeedback_editpdf.point(edit.start.x, edit.start.y),

                      new M.assignfeedback_editpdf.point(edit.end.x, edit.end.y)]);

        // Set min. width of highlight.

        if (!bounds.has_min_width()) {

            bounds.set_min_width();

        }

        highlightcolour = ANNOTATIONCOLOUR[edit.annotationcolour];

        // Add an alpha channel to the rgb colour.

        highlightcolour = highlightcolour.replace('rgb', 'rgba');

        highlightcolour = highlightcolour.replace(')', ',0.5)');

        // We will draw a box with the current background colour.

        shape = this.editor.graphic.addShape({

            type: Y.Rect,

            width: bounds.width,

            height: 20,

            stroke: false,

            fill: {

               color: highlightcolour

            },

            x: bounds.x,

            y: edit.start.y - 10

        });

        drawable.shapes.push(shape);

        return drawable;

    },

    /**

     * Promote the current edit to a real annotation.

     *

     * @public

     * @method init_from_edit

     * @param M.assignfeedback_editpdf.edit edit

     * @return bool true if highlight bound is more than min width/height, else false.

     */

    init_from_edit: function(edit) {

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

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

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

        this.pageno = this.editor.currentpage;

        this.x = bounds.x;

        this.y = edit.start.y - 10;

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

        this.endy = edit.start.y + 10;

        this.colour = edit.annotationcolour;

        this.page = '';

        return (bounds.has_min_width());

    }

});

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

M.assignfeedback_editpdf.annotationhighlight = ANNOTATIONHIGHLIGHT;