BitePoint - Multi-Position Bleed Label Generator_Photoshop

#target photoshop

function showBleedDialog() {
    if (app.documents.length === 0) {
        alert("សូមបើក Document នៅក្នុង Photoshop ជាមុនសិន!");
        return;
    }

    var doc = app.activeDocument;

    // --- UI Window Style ---
    var dlg = new Window('dialog', 'BitePoint - Multi-Position Bleed Label Generator');
    dlg.orientation = 'column';
    dlg.alignChildren = ['fill', 'top'];
    dlg.spacing = 10;
    dlg.margins = 15;

    // System Font Setup
    var uiFont;
    try {
        uiFont = ScriptUI.newFont("Segoe UI", "Regular", 12);
    } catch (e) {
        uiFont = ScriptUI.newFont("dialog", "Regular", 12);
    }

    function setFont(container) {
        for (var i = 0; i < container.children.length; i++) {
            var child = container.children[i];
            try { child.graphics.font = uiFont; } catch (err) {}
            if (child.type === 'panel' || child.type === 'group') setFont(child);
        }
    }

    // SECTION 1: Bleed Side Selection (L, R, T, B)
    var pnlSide = dlg.add('panel', undefined, ' 1. ជ្រើសរើសជ្រុង Bleed 1cm (Bleed Side) ');
    pnlSide.orientation = 'row';
    pnlSide.margins = [12, 12, 12, 12];
    pnlSide.spacing = 15;

    var radSideLeft   = pnlSide.add('radiobutton', undefined, 'Left (ឆ្វេង)');
    var radSideRight  = pnlSide.add('radiobutton', undefined, 'Right (ស្ដាំ)');
    var radSideTop    = pnlSide.add('radiobutton', undefined, 'Top (លើ)');
    var radSideBottom = pnlSide.add('radiobutton', undefined, 'Bottom (ក្រោម)');
    radSideBottom.value = true; // Default ខាងក្រោម

    // SECTION 2: Font Size & Color
    var pnlFont = dlg.add('panel', undefined, ' 2. Font Size & Color ');
    pnlFont.orientation = 'row';
    pnlFont.margins = [12, 12, 12, 12];
    pnlFont.spacing = 15;

    pnlFont.add('statictext', undefined, 'ទំហំ Font (pt):');
    var txtFontSize = pnlFont.add('edittext', undefined, '24');
    txtFontSize.preferredSize = [60, 26];

    pnlFont.add('statictext', undefined, ' ពណ៌:');
    var radBlack = pnlFont.add('radiobutton', undefined, 'Black (ខ្មៅ)');
    var radWhite = pnlFont.add('radiobutton', undefined, 'White (ស)');
    var radRed   = pnlFont.add('radiobutton', undefined, 'Red (ក្រហម)');
    radBlack.value = true;

    // SECTION 3: Multi-Position Count Selection (1, 2, 3, or N Locations)
    var pnlPos = dlg.add('panel', undefined, ' 3. ចំនួនកន្លែងដាក់អក្សរលើជ្រុង Bleed (Label Positions) ');
    pnlPos.alignChildren = 'left';
    pnlPos.margins = [12, 12, 12, 12];
    pnlPos.spacing = 6;

    var radPos1 = pnlPos.add('radiobutton', undefined, '1 កន្លែង (Center / ចំកណ្ដាល)');
    var radPos2 = pnlPos.add('radiobutton', undefined, '2 កន្លែង (Start & End / ដើម និង ចុង)');
    var radPos3 = pnlPos.add('radiobutton', undefined, '3 កន្លែង (Start, Center, End / ដើម កណ្ដាល ចុង)');
    
    var grpPosCustom = pnlPos.add('group');
    var radPosCustom = grpPosCustom.add('radiobutton', undefined, 'កំណត់ចំនួនកន្លែងច្រើនទៀត:');
    var txtPosCustomCount = grpPosCustom.add('edittext', undefined, '4');
    txtPosCustomCount.preferredSize = [60, 26];
    txtPosCustomCount.enabled = false;

    radPos3.value = true; // Default 3 កន្លែង

    radPosCustom.onClick = function() { txtPosCustomCount.enabled = true; };
    radPos1.onClick = function() { txtPosCustomCount.enabled = false; };
    radPos2.onClick = function() { txtPosCustomCount.enabled = false; };
    radPos3.onClick = function() { txtPosCustomCount.enabled = false; };

    // SECTION 4: File Info Options
    var pnlOpts = dlg.add('panel', undefined, ' 4. ព័ត៌មានដើមរបស់ហ្វាល (File Info) ');
    pnlOpts.alignChildren = 'left';
    pnlOpts.margins = [12, 12, 12, 12];
    pnlOpts.spacing = 6;

    var chkSize     = pnlOpts.add('checkbox', undefined, 'Size (ខ្នាត cm)');
    var chkDpi      = pnlOpts.add('checkbox', undefined, 'Resolution (DPI)');
    var chkFileName = pnlOpts.add('checkbox', undefined, 'File Name (ឈ្មោះហ្វាលដើម)');
    var chkDate     = pnlOpts.add('checkbox', undefined, 'Date (ថ្ងៃ-ខែ-ឆ្នាំ)');

    chkSize.value = true;
    chkDpi.value = false;
    chkFileName.value = true;
    chkDate.value = true;

    // SECTION 5: Multi-Text Inputs (Dropdowns & Custom Text 1 & 2)
    var pnlMulti = dlg.add('panel', undefined, ' 5. បន្ថែមអក្សរច្រើនទៀត (Multiple Custom Texts) ');
    pnlMulti.alignChildren = 'left';
    pnlMulti.margins = [12, 12, 12, 12];
    pnlMulti.spacing = 8;

    var listOptions = [
        "-- មិនជ្រើសរើស --",
        "Vinyl Banner",
        "Sticker Label",
        "Print & Cut",
        "Flex Print",
        "Urgent (ប្រញាប់)",
        "Sample Test",
        "Frontlit",
        "Backlit",
        "Approved"
    ];

    // Dropdown 1
    var grpDrop1 = pnlMulti.add('group');
    grpDrop1.add('statictext', undefined, 'List ១:');
    var drop1 = grpDrop1.add('dropdownlist', undefined, listOptions);
    drop1.selection = 0;
    drop1.preferredSize = [180, 26];

    // Dropdown 2
    var grpDrop2 = pnlMulti.add('group');
    grpDrop2.add('statictext', undefined, 'List ២:');
    var drop2 = grpDrop2.add('dropdownlist', undefined, listOptions);
    drop2.selection = 0;
    drop2.preferredSize = [180, 26];

    // Custom Text 1
    var grpCustom1 = pnlMulti.add('group');
    var chkCustom1 = grpCustom1.add('checkbox', undefined, 'អក្សរបន្ថែម ១:');
    var txtCustom1 = grpCustom1.add('edittext', undefined, '');
    txtCustom1.preferredSize = [180, 26];
    txtCustom1.enabled = false;
    chkCustom1.onClick = function() { txtCustom1.enabled = chkCustom1.value; };

    // Custom Text 2
    var grpCustom2 = pnlMulti.add('group');
    var chkCustom2 = grpCustom2.add('checkbox', undefined, 'អក្សរបន្ថែម ២:');
    var txtCustom2 = grpCustom2.add('edittext', undefined, '');
    txtCustom2.preferredSize = [180, 26];
    txtCustom2.enabled = false;
    chkCustom2.onClick = function() { txtCustom2.enabled = chkCustom2.value; };

    // SECTION 6: Buttons
    var btnGroup = dlg.add('group');
    btnGroup.alignment = 'center';
    btnGroup.spacing = 15;
    
    var btnOk = btnGroup.add('button', undefined, 'OK (យល់ព្រម)', {name: 'ok'});
    var btnCancel = btnGroup.add('button', undefined, 'Cancel (បោះបង់)', {name: 'cancel'});
    btnOk.preferredSize = [110, 32];
    btnCancel.preferredSize = [110, 32];

    setFont(dlg);

    if (dlg.show() !== 1) return;

    // Process Configuration
    var fontSizeVal = parseFloat(txtFontSize.text) || 24;

    var fontColor = new SolidColor();
    if (radWhite.value) {
        fontColor.rgb.red = 255; fontColor.rgb.green = 255; fontColor.rgb.blue = 255;
    } else if (radRed.value) {
        fontColor.rgb.red = 255; fontColor.rgb.green = 0; fontColor.rgb.blue = 0;
    } else {
        fontColor.rgb.red = 0; fontColor.rgb.green = 0; fontColor.rgb.blue = 0;
    }

    var bleedSide = "BOTTOM";
    if (radSideLeft.value) bleedSide = "LEFT";
    if (radSideRight.value) bleedSide = "RIGHT";
    if (radSideTop.value) bleedSide = "TOP";

    var posCount = 3;
    if (radPos1.value) posCount = 1;
    if (radPos2.value) posCount = 2;
    if (radPos3.value) posCount = 3;
    if (radPosCustom.value) posCount = parseInt(txtPosCustomCount.text, 10) || 4;

    var cfg = {
        fontSize: fontSizeVal,
        textColor: fontColor,
        bleedSide: bleedSide,
        posCount: posCount,
        incSize: chkSize.value,
        incDpi: chkDpi.value,
        incFileName: chkFileName.value,
        incDate: chkDate.value,
        dropText1: (drop1.selection && drop1.selection.index > 0) ? drop1.selection.text : "",
        dropText2: (drop2.selection && drop2.selection.index > 0) ? drop2.selection.text : "",
        customText1: (chkCustom1.value) ? txtCustom1.text : "",
        customText2: (chkCustom2.value) ? txtCustom2.text : ""
    };

    processBleedAndMultiLabel(doc, cfg);
}

function processBleedAndMultiLabel(doc, cfg) {
    var origRuler = app.preferences.rulerUnits;
    var origType = app.preferences.typeUnits;

    app.preferences.rulerUnits = Units.CM;
    app.preferences.typeUnits = TypeUnits.POINTS;

    try {
        var origW = doc.width.value;
        var origH = doc.height.value;
        var imgDpi = Math.round(doc.resolution);

        // Set Photoshop Background color to White (Canvas extension will automatically fill with white)
        var whiteColor = new SolidColor();
        whiteColor.rgb.red = 255; whiteColor.rgb.green = 255; whiteColor.rgb.blue = 255;
        app.backgroundColor = whiteColor;

        // 1. Calculate Canvas Expansion
        var newW = origW;
        var newH = origH;
        var anchorPos = AnchorPosition.MIDDLERIGHT;

        if (cfg.bleedSide === "LEFT") {
            newW = origW + 1;
            anchorPos = AnchorPosition.MIDDLERIGHT;
        } else if (cfg.bleedSide === "RIGHT") {
            newW = origW + 1;
            anchorPos = AnchorPosition.MIDDLELEFT;
        } else if (cfg.bleedSide === "TOP") {
            newH = origH + 1;
            anchorPos = AnchorPosition.BOTTOMCENTER;
        } else if (cfg.bleedSide === "BOTTOM") {
            newH = origH + 1;
            anchorPos = AnchorPosition.TOPCENTER;
        }

        // Expand Canvas (Fills expanded background with active white color directly)
        doc.resizeCanvas(new UnitValue(newW, "cm"), new UnitValue(newH, "cm"), anchorPos);

        // 2. Construct Label String
        var textParts = [];

        if (cfg.incFileName) {
            var docName = doc.name.replace(/\.[^\.~]+$/, "");
            textParts.push(docName);
        }

        if (cfg.incSize) {
            var wClean = Math.round(origW * 100) / 100;
            var hClean = Math.round(origH * 100) / 100;
            textParts.push(wClean + " x " + hClean + " cm");
        }

        if (cfg.incDpi) textParts.push(imgDpi + "dpi");
        if (cfg.dropText1 !== "") textParts.push(cfg.dropText1);
        if (cfg.dropText2 !== "") textParts.push(cfg.dropText2);
        if (cfg.customText1 !== "") textParts.push(cfg.customText1);
        if (cfg.customText2 !== "") textParts.push(cfg.customText2);

        if (cfg.incDate) {
            var today = new Date();
            var dd = String(today.getDate()); if (dd.length < 2) dd = '0' + dd;
            var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
            var mmm = months[today.getMonth()];
            var yyyy = today.getFullYear();
            textParts.push(dd + "-" + mmm + "-" + yyyy);
        }

        var fullText = textParts.join(" - ");
        if (fullText === "") fullText = "Bleed 1cm";

        // 3. Create and Distribute Multiple Text Labels Along Bleed Strip
        var isVertical = (cfg.bleedSide === "LEFT" || cfg.bleedSide === "RIGHT");
        var totalLength = isVertical ? origH : origW;
        var margin = 1.5; // Safety margin in CM

        for (var idx = 0; idx < cfg.posCount; idx++) {
            var textLayer = doc.artLayers.add();
            textLayer.kind = LayerKind.TEXT;
            textLayer.name = "Bleed Info " + (idx + 1);

            var textItem = textLayer.textItem;
            textItem.contents = fullText;
            textItem.size = cfg.fontSize;
            textItem.color = cfg.textColor;
            textItem.justification = Justification.CENTER;

            // Calculate position along edge
            var currentPos = 0;
            if (cfg.posCount === 1) {
                currentPos = totalLength / 2;
            } else {
                var step = (totalLength - (margin * 2)) / (cfg.posCount - 1);
                currentPos = margin + (idx * step);
            }

            var posX = 0, posY = 0, rotDeg = 0;

            if (isVertical) {
                posX = (cfg.bleedSide === "LEFT") ? 0.5 : (origW + 0.5);
                posY = currentPos;
                rotDeg = -90;
            } else { // TOP or BOTTOM
                posX = currentPos;
                posY = (cfg.bleedSide === "TOP") ? 0.5 : (origH + 0.5);
                rotDeg = 0;
            }

            textItem.position = [new UnitValue(posX, "cm"), new UnitValue(posY, "cm")];
            if (rotDeg !== 0) textLayer.rotate(rotDeg, AnchorPosition.MIDDLECENTER);

            // Bounds Correction to prevent text spilling off edges
            var b = textLayer.bounds;
            var curCenterX = (b[0].value + b[2].value) / 2;
            var curCenterY = (b[1].value + b[3].value) / 2;

            var targetX = posX;
            var targetY = posY;

            if (isVertical) {
                if (b[1].value < margin) targetY += (margin - b[1].value);
                if (b[3].value > (origH - margin)) targetY -= (b[3].value - (origH - margin));
            } else {
                if (b[0].value < margin) targetX += (margin - b[0].value);
                if (b[2].value > (origW - margin)) targetX -= (b[2].value - (origW - margin));
            }

            var deltaX = targetX - curCenterX;
            var deltaY = targetY - curCenterY;
            if (deltaX !== 0 || deltaY !== 0) {
                textLayer.translate(new UnitValue(deltaX, "cm"), new UnitValue(deltaY, "cm"));
            }
        }

    } catch (err) {
        alert("Error: " + err.message);
    } finally {
        app.preferences.rulerUnits = origRuler;
        app.preferences.typeUnits = origType;
    }
}

showBleedDialog();