source: other-projects/nz-flag-design/trunk/main-form/svg-edit-local/extensions/ext-advanced.js@ 29963

/*globals svgEditor, svgCanvas, $*/
/*jslint vars: true, eqeq: true*/
/*
 * ext-helloworld.js
 *
 * Licensed under the MIT License
 *
 * Copyright(c) 2010 Alexis Deveria
 *
 */
var advancedClicked = false;

svgEditor.addExtension("Advanced", function() {'use strict';                                     
                                               
        return {
            name: "Advanced",
            // The icon for 'advanced features'
            svgicons: svgEditor.curConfig.extPath + "advanced-icon.xml",
            
            // Multiple buttons can be added in this array
            buttons: [{
                // Must match the icon ID in advanced-icon.xml
                id: "advanced", 
                
                // This indicates that the button will be added independently to the buttons in the button
                // panel on the left side (it will not be unselected when one of the other buttons is selected)
                type: "context",
                panel: "tools_left",
                
                // Tooltip text
                title: "Show/Hide Advanced Features", 
                
                // Events
                events: {
                    'click': function() {
                        // Toggle the advanced button
                        if (advancedClicked == true)
                        {
                            advancedClicked = false;
                            // Hide advanced features
                            advancedButton(advancedClicked);
                        }
                        else
                        {
                            advancedClicked = true; 
                            // Hide advanced features
                            advancedButton(advancedClicked);
                        }
                    }
                }
            }],
            // This is triggered when the main mouse button is pressed down 
            // on the editor canvas (not the tool panels)
            mouseDown: function() {
                advancedButton(advancedClicked);

                // The returned object must include "started" with 
                // a value of true in order for mouseUp to be triggered
                return {started: true};
            },
            
            // This is triggered from anywhere, but "started" must have been set
            // to true (see above). Note that "opts" is an object with event info
            mouseUp: function(opts) {
                //advancedButton(advancedClicked);
            },
            
            elementChanged: function(opts)
            {
                advancedButton(advancedClicked);
            },
            
            callback: function(opts) {
                advancedClicked = false;
                advancedButton(advancedClicked);
            }
        };
});

// Function: advancedButton
// Unless advanced button is selected, advanced features will be hidden
this.advancedButton = function() {
    
    // 'Advanced feature' elements
    var elements = ['sidepanels', 'editor_panel', 'tool_move_top', 'tool_move_bottom', 'tool_topath', 'tool_reorient', 'tool_make_link', 'idLabel', 'tool_angle', 'tool_blur', 'tool_position', 'xy_panel', 'rect_width_tool', 'rect_height_tool', 'cornerRadiusLabel', 'tool_polygon', 'tool_zoom', 'tool_path', 'tools_line_show', 'tool_image', 'tool_eyedropper', 'ext-panning'];

    // Toggle the display attributes of the selected advanced elements
    for (var i = 0; i < elements.length; i++) {
        if (advancedClicked == false) {
            document.getElementById(elements[i]).style.display = 'none';
        }
        else {
            document.getElementById(elements[i]).style.display = 'block';
        }
    }
    
    // Remove strange extra 'tool_seps' when advanced features is not selected
    if (advancedClicked == false)
    {
        $("#selected_panel :first-child").find(".tool_sep").css("display", "none")
    }
}




function setSVGEditorColourPalette(flagCanvasSettings) {

    console.log("**** setSVGEditorColourPalette(), flagCanvasSettings.modified = " + flagCanvasSettings.modified);
    
    if (!flagCanvasSettings.modified) {
    // nothing has changed => nothing to do
    return false;
    }

    var num_active_colours = flagCanvasSettings.colourPots.length;
    console.log("*** num active colours = " + num_active_colours);

    $('.palette_item').each( function (index) {
    // Skip the first palette_item, so transparent fill is still an option
    if (index==0) { return true; } // jquery equivalent of continue

    var colour_index = index-1;

    if (colour_index<num_active_colours) {
        $(this).show();
        $(this).css("background-color",flagCanvasSettings.colourPots[colour_index]);
        $(this).attr("data-rgb",flagCanvasSettings.colourPots[colour_index]);

        if (index==1) {
        $(this).trigger("mousedown");
        }
    }
    else {
        $(this).hide();
    }
    });



    //$('#palette').empty();
    $('#palette').width(150);

    flagCanvasSettings.modified = false;
    return true;

    var str = '<div class="palette_item" data-rgb="none"></div>';
    $.each(flagCanvasSettings.colourPots, function(i, item) {
    str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
    });
    $('#palette').append(str);


            // Prevent selection of elements when shift-clicking
            $('#palette').mouseover(function() {
                var inp = $('<input type="hidden">');
                $(this).append(inp);
                inp.focus().remove();
            });

            $('.palette_item').mousedown(function(evt) {
                // shift key or right click for stroke
                var picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';
                var color = $(this).data('rgb');
                var paint;

                // Webkit-based browsers returned 'initial' here for no stroke
                if (color === 'none' || color === 'transparent' || color === 'initial') {
                    color = 'none';
                    paint = new $.jGraduate.Paint();
                } else {
                    paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});
                }

                //paintBox[picker].setPaint(paint);
                svgCanvas.setColor(picker, color);

                if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {
                    svgCanvas.setPaintOpacity(picker, 1.0);
                }
                //updateToolButtonState();
            }).bind('contextmenu', function(e) {e.preventDefault();});


}